sein Großvater

his grandfather

→ sein
phrase Uncommon #18,538
his grandfather Depending on context, “sein” can mean “his” or “its.” The phrase changes form with the sentence, for example “seinem Großvater.”
GE: Sein Großvater wohnt in Berlin.
EN: His grandfather lives in Berlin.

Sein Großvater ist für sein Alter noch sehr gesund.

His grandfather is still very healthy for his age.

Sein Vater und sein Großvater waren auch Arbeiter.

His father and his grandfather were also workers.

— Leben! (1994)

Er sieht wie sein Großvater aus.

He looks like his grandfather.

Er war drei Wochen außer sich, weil sein Großvater nicht blond war.

He was beside himself for three weeks because his grandfather wasn't blond.

— Jojo Rabbit (2019)

Sein Großvater ist friedlich gestorben.

His grandfather died peacefully.

Er spricht kein Finnisch, sein Großvater hingegen schon.

He doesn’t speak Finnish, but his grandfather does.

Er ist so wie sein Großvater.

He is just like his grandfather.

Er ist genauso wie sein Großvater.

He is just like his grandfather.