Grzegorz Kosok
Grzegorz Kosok is a Polish volleyball player, a member of Poland mens national volleyball team and Polish club uczniczka Bydgoszcz, a participant of the Olympic Games London 2012, gold medalist of the FIVB World League 2012 and bronze medalist of the European Championship 2011 and the World League 2011, double Polish Champion .
He was born in Katowice, Poland. In 2014 he married to Aleksandra. In June 2015 his wife gave birth to their daughter Amelia.
Source: Wikipedia