Margaret and Timothy Owen Roberts second daughter, Christina Roberts, was born in Birkenhead on 3 January 1898 [Birkenhead 1898, 1st qt]. On 30 September 1920 [Birkenhead 1920, 3rd qt] at Birkenhead Register Office she married Alexander Barnes, a twenty-five year–old butcher's journeyman, born on 6 May 1895 (registered at birth as 'Alexander Douglas Barnes'). Christina was twenty-two and living at 10 Olive Crescent, Tranmere (map); her father was then a marble mason (journeyman) though a transcription of the marriage certificate of her brother, Timothy, in 1923 states that their father was a 'master mariner' (possibly the result of a transcription error). Alexander ('Alick' in the 1901 census and 'Alex' in the 1911 census) was the son of Annie and Charles Barnes, a 'patrolman' in 1920 - previously an able seaman in the merchant navy and then a gate keeper at a shipyard - and the family was living at 8 Westbury Street, Tranmere in 1901; this was Alex's address in 1920. Alex had a brother, William, about seven years his senior, whom it would appear married Christina's sister, (Mary) Louise.
There was an Alexander William Barnes [[b: Birkenhead 1921, 1st qt], whose mother's maiden name was Roberts and who died [Birkenhead 1936, 3rd qt], aged fifteen. He was buried on 26 August in Bebington Cemetery. Almost certainly he was the son of Christina's sister, Louise (the sisters married brothers), since he would share his grave (No: D/725(R)) with Louise's daughter, Agnes Anne Pilling (née Barnes), as well as with his grandfather, Timothy Owen Roberts.
Christina and Alexander had a daughter, Olive Mary Barnes, who may well have been an only child (if not see below for possible siblings). She was born on 18 June 1926 [Birkenhead 1926, 3rd qt], married in 1949 [Birkenhead 1949, 1st qt] and died in 1985 [Birkenhead, Apr 1985] aged 58. She was survived by her husband, their daughter and their two sons. Her father, Alexander, died shortly before her death [Birkenhead Feb 1985] and Christina died later that same year [Birkenhead Oct 1985].
Other possible children (all mother’s maiden name ‘Roberts’ & reg. districts Birkenhead unless specified otherwise) of Christina include: Edward Timothy Barnes, born on 23 Apr 1922 [1922, 2nd qt] (he married Edna Mary Burkey [Wirrel 1948, 3rd qt] and died aged 71 [Mar 1994]), Frederick V Barnes [1931, 4th qt], Christina Barnes [1928, 3rd qt] & David D Barnes [1937, 4th qt].