Meus filii, meus vita.
Family
familia amoris
mundus
De hoc mundo: Out of This world
Insanis
Amo meam familiam.
Tene mundum.
Rex mei mundi.
ego princeps mundi
The usual Latin translation of "gentleman" is generosus, which means a man of good family (from genus, generis, "race, stock").
Amicus es in mundo.
"Family" in English is familia in Latin.