Maybe youre thinking of the lesbian couple:
Monday, March 26, 2018, Jennifer and Sarah Hart, and six of their children died when an SUV driven by Jennifer Hart drove over a 100-foot (30 m) cliff on Highway 1, in Mendocino County, California, near Westport.
https://en.m.wikipedia.org/wiki/Hart_family_crash#Deaths
I’d forgotten about them....!