You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Mathias Hansen House, was built in 1616, she was a member of the city council, and later served as mayor of Copenhagen, his daughter was Kirsten Madsdatter, mother of Christian Ulrik Gyldenløve, and a mistress, of which royalty of Denmark?" whose answer is Christian IV.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Christian Ulrik Gyldenløve royal mistress Denmark 17th century
Useful Output:

Doc 1: Christian Danneskjold was the grandson of King Christian V and his mistress Sophia Amalia Moth. The three genre paintings in Danneskjold's collection may have
Doc 2: Ulrik Christian Gyldenløve (7 April 1630 - 11 December 1658), the illegitimate child of Christian IV of Denmark and his chambermaid and mistress Vibeke Kruse.
Doc 3: He was an acknowledged illegitimate son of King Christian V of Denmark and his officially acknowledged royal mistress Sophie Amalie Moth.
Doc 4: He was an acknowledged illegitimate son of King Christian V of Denmark and his officially acknowledged royal mistress Sophie Amalie Moth. Ulrik Christian
Doc 5: With his mistress, Vibeke Kruse;. Ulrik Christian Gyldenløve (1630–1658). Elisabeth Sophia Gyldenløve (1633–1654); married Major-General Klaus Ahlefeld.