William Seton, 1st Lord Seton
Arms of William Seton, 1st Lord Seton;
Or, three crescents within a double tressure flory counter-flory gules.
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William Seton
(died 1410), born William de Wyntoun, was a 14th–15th-century noble.
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Seton 1896
, pp. 94–95.