Fogeltje van Gelder was a daughter of Daniël van Gelder and Judikje Troostwijk. She was the eldest of the two children in that family and was born on 29 September 1911 in Groningen. Later she had another brother, Samuel, who was born there on 14 February 1913.
Fogeltje’s father was born in Assen and her mother in Leeuwarden. But after they were married in Assen in 1910, they moved to Groningen, wh…