The Korda family certainly carry some sporting genes.
Petr reached a career high ATP ranking of 2 in February 1998.
He married Regina Rajchrtova, also a professional tennis player.
Along with Jessica and Nelly who both play on the LPGA Tour and sit within the world top 20 as of February 2021, their younger brother Sebastian has followed their parents into professional tennis, a career to date highlighted by making the 4th round of the 2020 French Open where he lost to Rafael Nadal.