He is listed with only the surname D'Arcy in the memorial inscription the cemetery of St. George, Hanover Square, London, but listed as the son of the person transcribed in Miscellanea Genealogica et Heraldica (series 3, vol. 5, p. 165) as ". . . . Stanis . . . . De La Rochette of this parish . . . . 1802 aged 71 years". His sister's inscription shows the surnames "D'Arcy Delia Rochette", perhaps a transcription error. He was baptised as Edward Augustus Delarochette.
Recent correspondence indicates Edward Augustus D'Arcy had at least one son, Henry Augustus D'Arcy, born 1806 in Pimlico and died in 1874, Camberwell district.
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_Louis Stanislas Gappian DELAROCHETTE _|
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|--Edward Augustus D'ARCY
| (.... - 1814)
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|_Elizabeth D'ARCY _____________________|
(.... - 1802) m 1780 |
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Her name comes from notes of her descendants in the D'Arcy family, but so far no contemporary evidence as been located.
He married in 1840, at St. George Hanover Square.
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_Louis Stanislas Gappian DELAROCHETTE _|
| (1731 - 1802) m 1780 |
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_Edward Augustus D'ARCY _|
| (.... - 1814) |
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| |_Elizabeth D'ARCY _____________________|
| (.... - 1802) m 1780 |
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|--Henry Augustus D'ARCY
| (1806 - 1874)
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|_Frances _____ __________|
(1783 - 1839) |
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(ID #I23394) 

Studied at Lausanne from about 1655, deacon at Lucens 1673-1676, deacon at Payerne 1676-1678, pasteur at Corcelles-près-Payerne 1678-1685, at Champvent 1685-1686.
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_Pierre David D'ARNAY _|
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|--Balthazard D'ARNAY
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(ID #I23391) 
Studied at Bern, consacrated in 1705, pasteur at Denezy 1706-1708, pasteur for the German-language church at Moudon 1708-1756.
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_Pierre David D'ARNAY _|
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_Balthazard D'ARNAY _|
| (1637 - 1686) m 1675|
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|--Daniel David D'ARNAY
| (1677 - 1756)
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|_Catherine BETTEX ___|
m 1675 |
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_Pierre David D'ARNAY _
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_Balthazard D'ARNAY _|
| (1637 - 1686) m 1675|
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_Daniel David D'ARNAY _______|
| (1677 - 1756) |
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| |_Catherine BETTEX ___|
| m 1675 |
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|--Esther Elizabeth D'ARNAY
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|_Susanne Elizabeth TACHERON _|
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_Pierre David D'ARNAY _
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_Balthazard D'ARNAY _|
| (1637 - 1686) m 1675|
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_Daniel David D'ARNAY _______|
| (1677 - 1756) |
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| |_Catherine BETTEX ___|
| m 1675 |
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|--Frédéric Béat Sigismond D'ARNAY
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|_Susanne Elizabeth TACHERON _|
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(ID #I23396) 
This family, known either as D'Arnay or D'Arnex, descends from Wibert, chevalier, living in 1109. The family settled at Orbe as early as the 14th Century.

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_Claude D'ARNEX _____|
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|--Louise D'ARNEX
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|_Agnes GIMEL ________|
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_Laurent D'ASPERLIN _|
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|--Antoinette D'ASPERLIN
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|_Marie CHAMPION _____|
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_Joseph D'ASPERLIN __|
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|--Barbille D'ASPERLIN
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_Sébastien D'ASPERLIN _|
| (.... - 1651) |
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|--Judith Elizabeth Barbille D'ASPERLIN
| (.... - 1673)
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| _Jean Jaques DE LAVIGNY _|
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|_Salomé DE LAVIGNY ____|
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Were there two Asperlin's near Aubonne in the 1630's? An Anthoine Asperlin with wife Salomé, and a Sebastien Asperlin with wife Salomé de Lavigny are mentioned about the same time in the baptismal registers at Yens. Besides Chatelain d'Aubonne, the title Sr. de Bavois is mentioned. Later records specify simply Sebastien.
He is apparently the Sébastien Asperlin, de Bavois, who was killed in a duel with Jaques François Olivier, as reported in an item in the papers of the Senarclens family (ACV P Château de Vufflens 597E, dated 09 dec 1651 or possibly 1657, a contemporary extract from the "manuel de la ville de Berne"—the date should be checked against records in Bern).
Dame de Sorcy (see J.-A. Galiffe, Notices généalogiques II, p. 602).
Protestant minister.