John Ros, 5th Baron Ros of Helmsley, KB (d. 6 August 1393) took a prominent part in the pageantry at the coronation of Richard II. Following the coronation, he was appointed Knight of the Order of the Bath. While on a pilgrimage to Jerusalem he died in Paphos, Cyprus. His body was returned and buried at Rievaulx Abbey.
John Ros married, before 22 June 1382, Mary de Percy (12 March 1367 – 25 August 1394), daughter of Henry Percy, 3rd Baron Percy and Joan Orreby; by whom he had no issue.[2]
Cokayne, George Edward (1949). The Complete Peerage, edited by Geoffrey H. White. Vol. XI. London: St. Catherine Press.
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol. I (2nd ed.). Salt Lake City.{{cite book}}: CS1 maint: location missing publisher (link)ISBN1449966373
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol. III (2nd ed.). Salt Lake City.{{cite book}}: CS1 maint: location missing publisher (link)ISBN144996639X
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