Charles Burrell Massingberd was a Lincolnshire landowner and the last male holder in the relevant Massingberd line. He died without male issue in 1835, leaving Harriet as his only daughter and heiress.

The manor connection is explicitly stated by Massingberd's published account.

Research sources:
- W. O. Massingberd, Court Rolls of the Manor of Ingoldmells in the County of Lincoln, 1902, Introduction, p. xiv. — https://en.wikisource.org/wiki/Court_Rolls_of_the_Manor_of_Ingoldmells_in_the_County_of_Lincoln/Introduction