No. Marth and Roy aren't brothers. It is almost impossible for them to be because they are the princes of two different places, and they have different fathers and other relatives.
Marth and Roy are both from the Fire Emblem series but are not in the same game, so they are actually not related to each other
No. None of them are in the same game so they are not related to each other
No they are not
no but marth and Ike are.
No, Marth and Ike come from separate Fire Emblemdimensions.
First unlock marth to do that beat classic mode on any mode with 13 of the original characters defeat marth to unlock him then use marth to beat classic mode roy will appear defeat him to unlock him.
definetly Ike
ike
is Ike Marthe's brother
No, Marth and Roy come from separate Fire Emblemdimensions.
No Marth isn't brothers with Ike. They are not in the same fire emblem. But that would be awesome I hope I helped you!
I think there are bros. because, in Super Smash Bros. Brawl Ike helped Marth defeat the Pirmids.
I'm not sure
No, they do not kill Ike since they do not appear in the same game. They do appear together in Fire Emblem Awakening, but as add on characters and the extra DLC missions are not cannon with the Fire Emblem Universe