外祖父 英文怎麼說(2011 05 23)
他的外祖父=grandfather on his mother's side ,{maternal side }
新聞例句
......his great-great-great grandfather on his mother's side Falmouth Kearney was born in 1830 and lived before immigrating to the U.S. 20 years later.
(資料來源=VOA)
註;If you were talking about one side of your family as a whole, you could say maternal side or paternal side, but most people would say "My mother's side" or "my fathers side."