This is the 8812th most frequent German word.
königsfamilie
"Royal family."
Here the word "Königsfamilie" is used as the subject of the sentence, referring to the group of royal individuals living in the palace.
Die Königsfamilie residiert in einem prächtigen Palast.
The royal family resides in a magnificent palace.
In this sentence, "Königsfamilie" appears in the genitive case ("der Königsfamilie"), indicating possession or relation to the "history" mentioned.
Ich habe ein interessantes Buch über die Geschichte der Königsfamilie gelesen.
I read an interesting book about the history of the royal family.
Here the word "Königsfamilie" serves as the object of preposition ("über"), which includes its existence within the stories discussed.