Willem Jansen Koops, b: -



	^{Willem Jansen Koops}^{b. d.1792 Drieberde, Netherlands}

^{Jantjen Willems Koops}^{b. Drieberde, Netherlands d.1813 Altinge, Drenthe, Netherlands}			^{Roelof Albers Nysingh}^{b. d.}

		^{Albert Roelofs Nysingh}^{b. d.1747 Drieberde, Netherlands}	^Unknown^{b. d.}

	^{Marchien Alberts Nijzinge}^{b. d.1789 Drieberde, Netherlands}

		^{Marchien Unknown}^{b. d.}