Reginald de la Roche son of George Baring Brown Collier of Essex Villa, gentleman, and Justina Stepney Maria (baptismal record)
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In October 1879 Reginald de la Roche Collier was present at the marriage of his sister Rosalind Eugenie Collier to Meredith Bevan in Kensington London.
At the time of the 1881 England Census Reginald Collier, aged 20, born in Cheltenham Gloucestershire, was with his mother at 22 Oxford Gardens, Kensington London.
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THE BANKRUPTCY ACTS, 1883 and 1890. [c]
(From the London Gazette)
RECEIVING ORDERS. [smaller]
Collier, Reginald de la Roche, late Maddox-street, W., and Queen Anne's Mansions, Westminster, S.W.
Reading Mercury, Saturday, 17 Jun 1893, p. 7
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At the time of the 1911 England Census Reginald Collier, aged 49, born in Cheltenham Gloucester, single, financial agent (own account), was boarding at 80 Clerkenwell Road Holborn London.