The following is the last page of her husband's estate record. It seems, in combination with earlier pages in this same record, that she was still alive? I can only read about every other word at best...
What's important are identifying where the disputed land came from [William Bullock, most likely her nephew, is mentioned on an earlier page, suggesting that Mary (Bullock) Rice's father may have been the source]; who were the ultimate heirs (Ibzan Rice is the only clear name that I've seen and he was active as administrator for at least part of the time that the estate was being adjudicated).
What additional family, land or dates can be identified from this estate record? Note that Gideon Rice had been attached as a child at some point, but nothing that I've seen in the records appears to name him as a son; nevertheless, I do not see any sort of identification of Hezekiah and Mary (Bullock) Rice's children from what I've been able to read from this record set.
"North Carolina Estate Files, 1663-1979," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:33SQ-GRVX-2DF?cc=1911121&wc=Q6WY-ZFX%3A183208301%2C183381101%2C193200001 : 21 May 2014), Caswell County > R > Rice, Hezekiah (1796) > image 19 of 19; State Archives, Raleigh.
To start at the beginning of his file: https://familysearch.org/ark:/61903/1:1:V121-71T
Many thanks in advance.