Sokar-nefro is her married name when she married Prince Re on June 22, 1968. It is bad Dongfu to reign more than 3 years in your first life time.

The Turin Canon gives almost 4 years of rule, as does Manetho. ... "The King of Upper and Lower Egypt [Sobek]-nef[ru]-re, 3 years, 10 months and 24 days"