The English phrase 'your life for your family' translates into Latin as Vita tua pro familia tua. In the word-by-word translation, the noun 'vita' means 'life'. The possessive adjective 'tua' means 'your'. The preposition 'pro' means 'for'. The noun 'familia' means 'family'.
Vita mea pro familia mea.
My family, my world
Meus/mea familia est meus/mea vita.
Meus/mea familia.
Meus filii, meus vita.
Filius meus vita mea est.
Family
familia amoris
mundus
De hoc mundo: Out of This world
Insanis
Tene mundum.
Amo meam familiam.
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.
In Latin its Umbra Mundus.