British History on line

http://www.british-history.ac.uk/report.aspx?compid=118255

lists Frances Williams sister as Charlotte Wilkes Williams - (husband Sir George NAYLER) was Charlotte christened with the middle name? as this 'could' be a family name.

On Ancestry (photo copy of marriage certificates)

Hackney, Shoreditch St Leonard - 1792

George NAYLER of this Parish, Bachelor and Charlotte WILLIAMS of this parish, Spinster - were married in this Church by Banns this 18 day of September 1792 by me Joseph ROSE, Minister.

This Marriage was soleminized between us: George NAYLER - Charlotte WILLIAMS

In the presence of Frances NAYLOR and George LIMMING

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Westminster, St Marylebone, 1794

No. 1332 John LAWRIE (seems to be spelt with a W -) of this Parish, Bachelor and Frances WILLIAMS of the same Parish married in this Church by Banns this 23 day January in the year 1794. signed John LAURIE (looks like a U) and Frances WILLIAMS.

Benj. LAWRENCE (Curate)

witnesses: Thos. BIRT? - Mary WESTERN

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Baptism, Camden St Pancras Parish Church 28 April 1806

Robert LAWRIE (with a W) - born 27 March 1806 - parents John & Francis