Family with parents
father Parents (unknown)	Tjeerdvan Dijk 1852–1916
mother Parents (unknown)	RuurdtjeWaringa 1853–1932
himself Family (none)	Janvan Dijk 1878–1941
younger sister Family BarendCosters Willem ArnoldCosters Jan BernardCosters AnnemarieCosters	Corneliavan Dijk 1879–1955
younger brother Family Henderika“Riek” Sijses Tjeerco Johanvan Dijk	Frederik“Fre” van Dijk 1881–1959
younger sister Family (none)	Lolkjevan Dijk 1882–1939
younger brother Family (none)	Dirkvan Dijk 1884–1885
younger sister Family (none)	Anna Mariavan Dijk 1886–1954
younger sister Family (none)	Alidavan Dijk