I reckon this is Jacob's parents in 1901?
Reference RG13, Piece 4833, Folio 50, Page 11
Walker Terrace, Bedlington, Northumberland
Miller, Jacob Head M 32 Coal Miner b Bedlington
Miler, Catherine Wife F 27 b Spennymoor, Durham
Miller, Ellen Daughter F 6 b North Shields
Miller, Peter Son M 2 b Bedlington
Miller, Catherine Daughter F 9 days b Bedlington
Morris, Thomas Brother-in-Law M 28 Coal Miner b Bedlington (simply "ditto" on the census)
Morris, Margaret Sister-in-Law F 21 b Pegswood
Morris, Susannah Niece F 2 b Bedlington
Marriage, March qtr 1899
Morpeth district vol 19b, page 477
Morris, Thomas
Miller, Margaret Ann T