Peter Letkeman1858–1917समयरेखाBirth23 Jan 1858Death24 Dec 1917, Halbstadt, Molotschna, South Russiaरिश्तेविवाहHelena Dirks (1863–1903)बच्चेHelena Letkeman (1882–1942)माता-पिताJacob Letkeman (1823–?)स्रोतwikitree Letkeman-19