Sara Jacobson was a daughter of Joseph Jacobson and Barbara van Westerborg. She married Abraham van Westerborg in 1881 in Rotterdam. They had ten children, among whom Joseph, Henry and Barbara.
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In October 1941, an obituary was placed in Het Joodsche Weekblad for Sara Jacobson. She was the widow of A.I. van Westerborg.
Het Joodsche Weekblad, 17 October 1941, 8
