Местоимения к словам: ivan,ivan and i,my frend and i, my frends, my mother, her mother, his mother, his aunt, his cat, her uncle.

Ivan - he
Ivan and I - we 
my frend and I - we
my frends - they
my mother - she
her mother - she
his mother - she 
his aunt - she 
his cat - it
her uncle - he