su/tu madre/mamá es inteligente (formal/informal)
Soy inteligente would be the best way to say "I am intelligent" in Spanish.
Inteligente would be the be how you say "intelligent" in Spanish.
Spanish: Inteligente
Ellos son inteligentes
spanish: Inteligente intelligance: intelegancia
"Él es guapo e inteligente."
Somos inteligentes or nosotros somos inteligenteswe are= somosintelligent= inteligentes
In Spanish, you say mother as "madre" and son as "hijo."
su madre
Madre
Tu madre.
mi madre