Hello to all and good morning.
I just had a theoretical question that came up in my head: I know that Eastern and Western Catholicism have two sets of praxes, theology, etc., etc. So, if there is a marriage between people of two different rites, how would they explain Catholic teachings to their children? (Of course, I’m sure most would be “the same conclusion through different means”, but then when you get into the essence/energy distinction, the filioque clause, and married vs. celibate priests, wouldn’t that get confusing – if only for a little bit?

)
And if you are in a marriage like that, how do you two deal with it? (For example, I know that the children get their “native Rite” (so to speak) from the father, so would you send children to the children’s ministry for Eastern Catholics (or vice-versa) over the other?)
Thanks!
~ParvaDei
There is canon law for that, the Latin Canon law (CIC) and the eastern canon law (CCEO).
CIC Can. 111 §1 Through the reception of baptism a child becomes a member of the Latin Church if the parents belong to that Church or, should one of them not belong to it, if they have both by common consent chosen that the child be baptized in the Latin Church: if that common consent is lacking, the child becomes a member of the ritual Church to which the father belongs.
§2 Any candidate for baptism who has completed the fourteenth year of age may freely choose to be baptized either in the Latin Church or in another autonomous ritual Church; in which case the person belongs to the Church which he or she has chosen.
CIC Can. 112 §1 After the reception of baptism, the following become members of another autonomous ritual Church:
1° those who have obtained permission from the Apostolic See;
2° a spouse who, on entering marriage or during its course, has declared that he or she is transferring to the autonomous ritual
Church of the other spouse; on the dissolution of the marriage, however, that person may freely return to the latin Church;
3° the children of those mentioned in nn. 1 and 2 who have not completed their fourteenth year, and likewise in a mixed marriage the children of a catholic party who has lawfully transferred to another ritual Church; on completion of their fourteenth year, however, they may return to the latin Church.
§2 The practice, however long standing, of receiving the sacraments according to the rite of an autonomous ritual Church, does not bring with it membership of that Church.
Canon 112 (NCCCL, Beal, Coriden, Green)
“… because ascription to a ritual church is definitive, it belongs to the status of persons.”
“In effect, the canon distinguishes membership from liturgical practice. This means that change of ritual church membership occurs in one of the three ways provided for in paragraph one.”
Breakout:
3° the children of those mentioned in nn. 1 [those who have obtained permission from the Apostolic See] and 2 [a spouse transferred during marriage] who have not completed their fourteenth year, and likewise in a mixed marriage the children of a catholic party who has lawfully transferred to another ritual Church; on completion of their fourteenth year, however, they may return to the latin Church.
CIC 1248.1
The obligation of assisting at Mass is satisfied wherever Mass is celebrated in a catholic rite either on a holyday itself or on the evening of the previous day.
CCEO Canon 12
- The Christian faithful are bound by an obligation in their own patterns of activity always to maintain communion with the Church.
- They are to fulfill with great diligence the duties which they owe to the universal Church and to their own Church sui iuris.
CCEO Canon 17
The Christian faithful have the right to worship God according to the prescriptions of their own Church sui iuris, and to follow their own form of spiritual life consonant with the teaching of the Church.
CCEO Canon 29
- By virtue of baptism, a child who has not yet completed his fourteenth year of age is enrolled in the Church sui iuris of the Catholic father; or the Church sui iuris of the mother if only the mother is Catholic or if both parents by agreement freely request it, with due regard for particular law established by the Apostolic See.
- If the child who has not yet completed his fourteenth year is:
(1) born of an unwed mother, he is enrolled in the Church sui iuris to which the mother belongs;
(2) born of unknown parents, he is to be enrolled in the Church sui iuris of those in whose care he has been legitimately committed are enrolled; if it is a case of an adoptive father and mother, 1 should be applied;
(3) born of non-baptized parents, the child is to be a member of the Church sui iuris of the one who is responsible for his education in the Catholic faith.
CCEO Canon 32
- No one can validly transfer to another Church sui iuris without the consent of the Apostolic See.
- In the case of Christian faithful of an eparchy of a certain Church sui iuris who petition to transfer to another Church sui iuris which has its own eparchy in the same territory, this consent of the Apostolic See is presumed, provided that the eparchial bishops of both eparchies consent to the transfer in writing.
CCEO Canon 33
A wife is at liberty to transfer to the Church of the husband at the celebration of or during the marriage; when the marriage has ended, she can freely return to the original Church sui iuris.
CCEO Canon 40.3
Other Christian faithful are also to foster an understanding and appreciation of their own rite, and are held to observe it everywhere unless something is excused by the law.
CCEO Canon 403
- With due regard for the right and obligation to preserve everywhere their own rite, lay persons have the right to participate actively in the liturgical celebrations of any Church sui iuris whatsoever, according to the norms of the liturgical books.
CCEO Canon 881
- The Christian faithful are bound by the obligation to participate on Sundays and feast days in the Divine Liturgy, or according to the prescriptions or legitimate customs of their own Church sui iuris, in the celebration of the divine praises.
CCEO Canon 883
- The Christian faithful who are outside the territorial boundaries of their own Church sui iuris can adopt fully for themselves the feast days and days of penance which are in force where they are staying.
- In families in which the parents are enrolled in different Churches sui iuris, it is permitted to observe the norms of one or the other Church, in regard to feast days and days of penance.