Lauren Kohler, right, hugs fellow sister-initiate Krista Shiwarski in front of the William… Lauren Kohler, right, hugs fellow sister-initiate Krista Shiwarski in front of the William Pitt Union. Kohler and Shiwarski, both 18-year-old freshmen, accepted bids to the sorority Delta Delta Delta last night. They were joined by more than 100 other women accepting bids to some of Pitt’s sororities.