Zaneta Krokova, 11, has died following incident that also killed her cousin Helina Kotlarova, 12 A girl who was left fighting for her life after a hit-and-run which killed her 12-year-old cousin has now also died. Zaneta Krokova, 11, was run over with her cousin, Helina Kotlarova, 12, as they crossed the road holding hands on New Year's Eve.