Hi

these documents may reveal more ...from NA
Further deeds relating to the Dyon property in Austerfield CM/2225-2245 1839-1847
(held at Sheffield Archives)
Contents:
Which was bought in 1847 by Robert Pemberton Milnes. There are 3 abstracts of title.
Deeds relating to Brandcroft Farm in Austerfield CM/2206-2224
Part of the property sold by Miss Betty Dyon and others to Robert Pemberton Milnes in 1847. Originally Box 3.. [Sheffield Archives, Crewe Muniments] Date range: 1802 - 1847.
Conveyances CM/2246-2249
By Miss Betty Dyon of Bawtry and others to Robert Pemberton Milnes of Brandcroft Farm for £1,750 (with abstract of title), a freehold farm and closes with a parcel of copyhold land for £1,840, and Low Common Close for £180 13s.4d., all in Austerfield. Date: 1847.
Poor woman, what a tragedy for her and the girls.

Miss Betty must have been one of the daughters.
added ...although the link of the book from Dizzifish states that John's wife was Betty!
deb