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William Robert Ottway (1871-1947) of W. Ottway and Co
1871 Born the son of William Ottway and his wife Sarah Jane Goodwin
1881 Living at 3 Upper Barnsley? Street, Islington: William Ottway (age 33 born St. Johns, Mddx), Instrument Maker. With his wife Jane Ottway (age 34 born Islington) and their three sons; Willm. R. Ottway (age 9 born Islington); Chas. Ed. Ottway (age 4 born Islington); and John Albt. Ottway (age 8 Months born Islington). Also a three lodgers. 
1911 Living at Amberley, 37 Hastings Road, West Ealing: William Ottway (age 63 born Holborn), Optical Instrument Manufacturer. With his wife Jane Ottway (age 63 born Marylebone) and their son William Robert Ottway (age 38 born Islington), Optical Instrument Manufacturer. One servant.