More of a, what interesting way can they explain her being born imo. Not to mention support conversations, can you imagine Lucina and MMark's conversations? Would be interesting to say the least.
Always go female my first playthrough with most games since they sem to have the better design in my eyes, but since buzz cut is an options with males this time...hmmm
Male MU: main:Sariya , also Flavia, Serge, Velvet
Female MU: main:Callum, also Vake, Valhart, Krom
Never really considered inheritance, more of a favorite characters bit.