He has two aunts on his mother's side.

I have three cousins on my mother's side.

I have three cousins on my mother's side.

I have three cousins on my mother's side.

My grandmother on my mother's side lives in Osaka.

My grandfather on my mother's side passed away ten years ago.

My grandfather on my mother's side passed away ten years ago.

My grandfather on my mother's side is celebrating his 60th birthday tomorrow.

My grandfather on my mother's side is celebrating his 60th birthday tomorrow.

My grandfather on my mother's side is celebrating his 60th birthday tomorrow.

My grandmother on my mother's side turned 100.