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Re: Jadelot
It could be that Jadelot is a variation of Hardelot, D'Hardelot. (Jardelot also exists). Hardelot is the name of a French town as well. It comes from a Saxon word and is translated as 'fortified town'.
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In fact I am not sure. The surname exists in Northern France: see the French site. You should look at the site of JEAN TOSTI www.jtosti.com/noms.
You could find similar surnames derived from Gérard
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The -ot ending is often read as a diminutive in French names. (Carlot for Little Charles e.g.) So that would make it 'little Gerard'. At least we agree that the J is not original.
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