Which woman was the sister of XXX?
Milan Sáblík
Milan Sáblík (Czech pronunciation: (ˈmɪlan ˈsaːbliːk); Žďár nad Sázavou, 14 March 1991) is a Czech speedskater and the younger brother of Martina Sáblíková, the 2007 European Champion and double World Single Distances Champion.