"František je otec Matěje a Žofie."
Translation:František is Matěj and Žofie's father.
9 CommentsThis discussion is locked.
Using "a father" would suggest that Matěj and Žofie have more than one father; with "the father," it would be clear that František is their only father. But your comment raises the question of the possible acceptability of "a father" in the context of non-traditional families.