Mrs. Brock Lesnar is reportedly pregnant with the couple's first child. Rena Mero Lesnar, who was a major WWE superstar in the 1990s under the name "Sable" is reportedly pregnant. This would be her 2nd child, as she had a daughter with her first husband.
Brock also has a daughter from a previous marriage.
More on the legendary "Sable," whose 3 Playboy covers is a sports entertainment record, can be found here: http://www.wrestlingnewsdesk.com/WND/the_news/wrestling/ufc_heavyweight_champion_brock_lesnar_and_wife_%22sable_from_wwe%22_expecting_child_200811172175/1.htm