Richard Kuklinski has a family.
Upper Marlboro , officially the Town of Upper Marlboro , is the seat of Prince George 's County , Maryland in the United States .. Town. Town. County. List of counties in Maryland. seat. county seat. United States. United States. The population within the town limits was 631 at the 2010 U.S. Census , although Greater Upper Marlboro is many times larger .. 2010 United States Census. 2010 U.S. Census. 2010 United States Census. Greater Upper Marlboro. Greater Upper Marlboro, Maryland