On June 13, 1901, Ada Maria Redpath, and her son Jocelyn Clifford were found shot to death in their home. What exactly happened between the two of them is something we will likely never understand.
Research:

Uffizi: A Painting, A Bombing, A Restoration
37:36

SYMHC Classics: Regulator War
37:20

Behind the Scenes Minis: Bad Laws, Bad Cats
23:33