• General Notes

  William de Willoughby; held land at Sloothby, Willoughby-in-the-Marsh, Lincs, temp. Richard I and a knight's fee at Willoughby-in-the-Marsh 1212; married Maud, daughter of William de Fulletby, and died by 1227. [Burke's Peerage]
  
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  Observations.-In the 12th and 13th centuries there were two separate families of Willoughby holding lands in Lincolnshire. One, from whom the Lords Willoughby descended, took its name from Willoughby in the Marsh, in Lindsey, and the other from Silk Willoughby, in Kesteven. Both families were tenants of the Gant fee. As to the latter, Robert de Willoughby gave land in Silk Willoughby to the Templars before 1185; and, with his son Ralph in his place, had a quitclaim from Ralph de Stixwould of land there in 1199. Sir Robert son of Ralph de Willoughby gave a toft there to the church of Lincoln, circa 1240-50. This family also had an interest in Pleasley, co. Derby, where in 1203 the King confirmed land to John de Aincurt and Ralph de Willoughby and their wives, heirs of Serlo de Pleasley; and in 1219 it was recorded that William de Willoughby had been given the church of Pleasley jointly by his brother Ralph de Willoughby and John de Aincurt.
  
  WILLIAM DE WILLOUGHBY, whose parentage is unknown, held land in Sloothby, in Willoughby in the Marsh, in the time of King Richard. He witnessed charters at the end of the 12th and early in the 13th centuries, two being issued by Gilbert de Gant; appears in law-suits in 1200 and 1202; served on juries in 1204 and 1205; held a knight's fee in Willoughby in the Marsh of Gilbert de Gant in 1212; and in September 1217 the sheriff of Lincolnshire was ordered to restore to him possession of his lands, as he had held them before the war. He is named in judicial activities, December 1220-16 August 1223; and in September 1221 he and others were ordered not to interfere with the tenure of Earl de Warenne in Stamford and Grantham. He m. Maud, daughter and coheir of William DE FULLETBY. He was living in 1225 but died before 1227. [Complete Peerage XII/2:654-6, (transcribed by Dave Utzinger)]
  
  

Details of William's family with Maud de Fullerby