Johannes Galenus Willem Hendrik Baron van Sytzama and Blanche Elise Elodie van Olden
(1900-1945) – (1908-1994)
Son of Henriëtte Engbertine Colenbrander (1866-1941) and Maurits Pico Diederik Baron van Sytzama (1868-1939) and his first wife.
(1900-1945) – (1908-1994)
Son of Henriëtte Engbertine Colenbrander (1866-1941) and Maurits Pico Diederik Baron van Sytzama (1868-1939) and his first wife.