1901 census
Class: RG13; Piece: 713; Folio: 88; Page: 37
19 Cecil Road, Gravesend, Kent
Delitke, Arthur Head M 39 Railway Guard b Tottenham
Delitke, Sarah Wife F 34 b Gravesend
Delitke, Ethel Daughter F 15 b Gravesend
Delitke, Arthur Son M 12 b Gravesend
Delitke, William Son M 10 b Gravesend
Delitke, Horace Son M 8 b Gravesend
Delitke, George Son M 6 b Gravesend
Delitke, Violet Daughter F 4 b Gravesend
Delitke, Edith Daughter F 1 b Gravesend
And their marriage (another surname variant!):
June qtr 1885
Dartford district vol 2a, page 679
Delithe, Arthur Augustus
Beacon, Sarah Harriett