Lea Viskoop was a daughter of Meijer Samuel Viskoop and Schoontje Levie de Groot. She married Benjamin de Groot in 1898 in Amsterdam. He died in 1928. They had three children: Hijman Benjamin, Meijer and Schoontje. Lea Viskoop lived in Enkhuizen from 1898 until 1941.
Stadsarchief Amsterdam, archiefkaart Lea Viskoop