の家に泊まった

stayed at [someone's] house

→ の
phrase Rare #36,051
stayed at [someone's] house The possessor comes before の, as in 友達の家に泊まった (stayed at my friend's house). 泊まった is the past form of 泊まる, meaning to stay overnight.
JA: 週末は姉の家に泊まった。
EN: I stayed at my older sister's house over the weekend.

君は私たちの家に泊まったほうがよいと思う

I think you should stay at our house.

昨日はの家に泊まった

I stayed at his place last night.

僕が何か話そうたとえば優しい乳母少年が––逆さの家に泊まった

Shall I tell you something? For example, the story of a kind nursemaid and a boy who stayed in a house shaped like an upside-down boat.

— どん底作家の人生に幸あれ! (2019)

私はホテルの予約を取り消して友達の家に泊まった

I canceled my hotel reservation and stayed at a friend’s house.

彼女は昨日叔母さんの家に泊まった

She stayed at her aunt’s house yesterday.