Jonas Hegt married Flora Francisca Wolff in 1906. He was an architect. After their wedding the couple moved to Delft. They had four children, of whom three died within a year of their birth. Following his retirement, Jonas Hegt moved with his wife to Scheveningen, where he performed architectural services for the City of The Hague. Jonas Hegt's fourth child survived the war.
M. Wolff, De nakomelin…