Daughter of Henry Davenport, or wife of his son Roger?
Note 6: About Henry DAVENPORT of DAVENPORT, from George Ormerod, The History of the County Palatine and City of Chester, incorporated with a republication of King's Vale Royal and Leycester's Cheshire Antiquities (2nd ed., revised and enlarged by Thomas Helsby, Esq.: George Routledge and Sons, Ludgate Hill, London, 1882), vol. 3, p. 68 < GoogleBooks >:
"Henry de DAVENPORT, 4th son, of Marton, had lands in Macclesfield, 30 Edw. I: had issue Roger, Mary ux. William MAINWARING de PEOVER, and Margery ux. Thos. de SWETTENHAM."
Note 6: About Henry DAVENPORT of DAVENPORT, from George Ormerod, The History of the County Palatine and City of Chester, incorporated with a republication of King's Vale Royal and Leycester's Cheshire Antiquities (2nd ed., revised and enlarged by Thomas Helsby, Esq.: George Routledge and Sons, Ludgate Hill, London, 1882), vol. 3, p. 68 < GoogleBooks >:
"Henry de DAVENPORT, 4th son, of Marton, had lands in Macclesfield, 30 Edw. I: had issue Roger, Mary ux. William MAINWARING de PEOVER, and Margery ux. Thos. de SWETTENHAM."
From Davenport, A. B. (Amzi Benedict) (1851). A history and genealogy of the Davenport family, in England and America, from A. D. 1086 to 1850 .. page 67-68. < Archive.Org >
SEVENTH GENERATION. Issue of Roger de Davenport, (iVb. 9.)
(19.) V. Henry Davenport of Marton, who also had lands in Macclesfield in 1292. He had one son, Roger, who married, 1st, Mary, widow of William Mainwaring de Peover ; and 2d, Margaret, widow of Thomas de Swettenham.