August Johan Koenen, b: 1862




		^{Matthijs Koenen}^{b. d.}

	^{August Johan Koenen}^{b.1862 Soerabaija, IDN d.1907 's-Gravenhage, ZH, NLD}		^{Hendricus (Joannes Lautenslager}^{b.1813 Utrecht, UT, NLD d.1862 Malang, IDN}

		^{Johanna Lautenslager}^{b.1843 Joure, FR, NLD d.1928 's-Gravenhage, ZH, NLD}	^{Roelofina (Roelfje Roelofsma}^{b.1818 Sappemeer, GR, NLD d.}

^{J. J. Koenen}^{b. d.}

		^S Lamminga^{b. d.}

	^{Jeltje Lamminga}^{b. d.}

		^F Beitschat^{b. d.1902 Oosterbeek, GE, NLD}