Sources |
- [S22] Early Yorkshire Charters, Volume 10: The Trussebut Fee, with Some Charters of the Ros Fee, William Farrer and Charles Travis Clay, (Cambridge, UK: Cambridge University Press, 2013).
- [S4877] "Robert de Ros (died 1227)," https://en.wikipedia.org/wiki/Robert_de_Ros_(died_1227), Wikipedia.org.
- [S4879] "Isabella Mac William," https://en.wikipedia.org/wiki/Isabella_Mac_William, Wikipedia.org.
- [S4880] "Everard de Ros," https://en.wikipedia.org/wiki/Everard_de_Ros, Wikipedia.org.
- [S4881] "Robert Avenel," https://en.wikipedia.org/wiki/Robert_Avenel, Wikipedia.org.
- [S4858] "William the Lion," https://en.wikipedia.org/wiki/William_the_Lion, Wikipedia.org.
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