You searched for: my first born son (Engelska - Latin)

my first friend
primus amicus

my first hope is god
spes mihi prima deus

music is my first love
musica est primus amor

you are my first priority
prius meus es tu

primogenitus, primogenita, primogenitum first-born; oldest (child);
primogenita

primogenitum, primogeniti birth-right, right of the first-born/oldest (child);
primogeniti

at my first answer no man stood with me, but all men forsook me: i pray god that it may not be laid to their charge.
in prima mea defensione nemo mihi adfuit sed omnes me dereliquerunt non illis reputetu

primigenius, primigenia, primigenium first born; original, primitive; serving as root for derivatives (gram.);
primigenia

primogenitum, primogeniti birth-right, right of the first-born/oldest (child); primogenitus, primogenita, primogenitum first-born; oldest (child);
primogenitum