Hello!
I'd like to clarify these ones:
Alphonse Elric & Edward Elric & Idia Shroud & Ortho Shroud
Alphonse Elric & Idia Shroud
Alphonse Elric & Ortho Shroud
Edward Elric & Idia Shroud
Edward Elric & Ortho Shroud

Both of the Elric brothers I would like to nominate as being from Fullmetal Alchemist: Brotherhood & Manga.
Both of the Shroud brothers I would like to nominate as being from Twisted-Wonderland (Video Game).