Mon frère s'appelle... > My brother's name is... (Literally: My brother calls himself...)
'mon petit frère' is 'my small brother' in English.
What does mon mean
'mon sport' means 'my sport' in English.
mon plat means 'my dish' in English.
Mon amour means 'my Love' in English.
Mon fils means "my son" in English.
dans mon placard means 'in my cupboard' in English.
Mon anniversaire means "my birthday".
mon professeur est ... means my teacher is ...
Mon chez means my home (it should be - mon chez moi)
my friend
"my heart is with my son"