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McMahon Family Crest

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The McMahon Family Crest

Sir William Samuel, Baronet., of Dublin

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Family: McMahon
Motto: Sic, nos sic sacra tuemurThus we guard our sacred rights
Blazon: In Front Of An Arm Embowed In Armour Holding A Sword, The Blade Wavy, All Ppr., A Portcullis Gu., Chained Or.
Source: Fairbairn's Book of Crests, 1905 ed.