Leonard Sigismond Gustaaf was born on 31 Mar 1875 in the city of Utrecht. He was the son of Levi de Hartog and Rebecca Gompen.[1][2]
He married Catharina Elisabeth Dentz on 28 Nov 1899 in Amsterdam.[2]
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Featured National Park champion connections: Leonard Sigismond Gustaaf is 28 degrees from Theodore Roosevelt, 24 degrees from Stephanus Johannes Paulus Kruger, 26 degrees from George Catlin, 32 degrees from Marjory Douglas, 34 degrees from Sueko Embrey, 26 degrees from George Grinnell, 32 degrees from Anton Kröller, 28 degrees from Stephen Mather, 30 degrees from Kara McKean, 31 degrees from John Muir, 27 degrees from Victoria Hanover and 40 degrees from Charles Young on our single family tree. Login to find your connection.