The only putative father that I can find as a Capt in 12th Lancers is this George Henry Dean.
His family appear to be married Mabel (I cannot find surname without birth cert for son)and they had children
Starting with the school register for Clifton School, Bristol has Dean, G. H. Son of G. H. Dean, Clifton. (School House. Class. III— VI ; left July. 18?7. Corpus Christi Coll., Cambridge. R.M.C, Sandhurst. Capt. 12th Lancers.Military Sec. to the Governor of Bombay. Appointed Assistant Chief Constable in the London Police, 1887.)
This man's career can be followed through logically
1850 Born - could be Clifton 1851 or Barbados or India
1871 Dec 30 To be Sub-Lieutenants. 12th Lancers, George Henry Dean, Gent.
1881 Feb 10 . 12th Lancers, .Lieutenant. George Henry Dean to be Captain, vice H. A. Case
1883 Jan 1. The following appointment has been made on the Personal Staff of the Governor of Bombay :— Captain G. H. Dean, 12th Lancers, to be Military Secretary, vice Major A. R. Heyland, Bombay Staff Corps.
Capt G H Dean of 12th Lancers presented at the Queens Levee by Sir James Ferguson
1885 Nov 18 12th Lancers, Supernumerary Captain George Henry Dean to be Captain, vice J. H. Learmonth, resigned.
1886 Mar 3. Capt G H Dean and 60 men of 12th Lancers boarded SS Pekin in Southhampton bound for Bombay
1888 Jan 1. 12th Lancers, The retirement of Captain George Henry Dean, on retired pay
1888 Aug 18. Captain George Henry Dean, retired pay, late 12th Lancers, has been permitted to commute his retired pay.
1891 Feb 25. Capt G H Dean presented by Col Sir Edward Bradford at a Queens Levee by on the occasion of his appointment as a Chief Constable of the Metropolitan Police
1891 census living with his wife Mabel (b1853 in Appledore Devon) and dau Mabel M Dean (born India 1880) in 128, Ebury Street, St George Hanover Square, London
1895 Jul 1 Attended the Queens Levee. Capt G H Dean
1901 census
1910 died
