Your grandfather Harold Lydamore was indeed born in Bradford 1916.
He probably married Doreen Ramsey in Wharfedale 1942.
His father was Herbert Lydamore who married Mary A. Rollitt in Bradford 1913.
Herbert Lydamore was born in Bradford 1890.
In 1901, Herbert was aged 10 and living in Shakespeare Street, Bradford with his parents and 5 siblings. His father William Lydamore was a Printer aged 41 and born in Suffolk.
William Lydamore was possibly born in Yarmouth 1858.
Herbert's mother was Mary Ann Beaumont who married William Lydamore in Bradford 1883. Mary Ann was born in Leeds, Yorkshire. She had a younger sister Eliza Beaumont. Their mother Maria (Pinder) was aged 54 in 1881 and born in Retford, Notts. Their father Joseph Beaumont died before 1881 and was aged 30 in 1861.