Andries Polanus was a son of Wolf Jacob Polanus and Heintje Raphael. He married in Amsterdam on 8 April 1903 to Emelia van Weezel, daughter of Juda van Weezel and Grietje Cohen,.
The couple had four children together: Wolf (Wim), Juda (Jo), Adriaan and André Jacques, who lived at home with his parents.
City Archive of Amsterdam, archive card of Andries Polanus.