Walter Marshal, fifth earl of Pembroke, married Margaret de Quincy after the death of John de Lacy and held Ingoldmells in her right until his death in 1245.

This was a marital or rights-through-wife holding rather than an independently documented sole acquisition.

Research sources:
- W. O. Massingberd, Court Rolls of the Manor of Ingoldmells in the County of Lincoln, 1902, Introduction, p. xii, citing Testa de Nevill, p. 329. — https://en.wikisource.org/wiki/Page%3AMassingberd_-_Court_Rolls_of_the_Manor_of_Ingoldmells_in_the_County_of_Lincoln.pdf/12
- Wikipedia biographical reference — https://en.wikipedia.org/wiki/Walter_Marshal,_5th_Earl_of_Pembroke