It's official: The commercial real estate firm founded by former Dallas Cowboys quarterback Roger Staubach is now part of Chicago-based Jones Lang LaSalle Inc.

Jones Lang LaSalle and Staubach Co. said Friday they had completed their merger. The combined company, will operate under the Jones Lang LaSalle brand.

Jones Lang LaSalle paid $613 million for Staubach, with $123 million in cash and assumed debt, $100 million in stock and $390 million to be paid in cash over five years.

Sheryl Jean