He is married to Maria Avink.
Permission for the marriage has been obtained in Amsterdam on May 20, 1808.Source 2
Ondertrouw 20-05-1808:
Adrianus Krook, van Rotterdam, geref. 27 jaar. Ouders Salomon Krook en Elisabeth Groenewoud (Ondertekening Adreanus Krook)
Maria Avink, (naamsvariant: Arink) van Amsterdam, geref. 29 jaar. Moeder Anna de Kommer