(1) He is married to Catharina Mechtelina de Lange.
They got married on November 7, 1855 at Rotterdam, he was 25 years old.Source 1
(2) He is married to Martha de Lange.
They got married on February 27, 1867 at Rotterdam, he was 37 years old.Source 2
Stadsarchief Rotterdam, BS-Huwelijk Rotterdam, archief 999-06, inventarisnr1855D,07-11-1855, Nader toegang op huwelijksreg van Rotterdam , folio d62
Stadsarchief Rotterdam, BS-Huwelijk Rotterdam, archief 999-06, inventarisnr 1867A, 27-02-1867, Nader toegang op huwelijksreg van Rotterdam , aktenr 1867.145, folio a75v