Jan Joseph Giard, born circa 1867 (?), died before September 14, 1916, aged at most 49 years.

Jan was married to
Clara van Oostenbrugge, born circa 1858.

• 1 : Rijk Cornelis Giard, born in Utrecht circa 1894.
  Rijk was married in Amersfoort on September 14, 1916, at the age of approximately 22 to Everdina van Kamp (aged 21 years), born in Amersfoort on November 30, 1894, daughter of Evert van Kamp (coppersmith) and Aukje Keimpes Feenstra (maid servant).