SEMINOLE, Fla. -- The Pinellas County Sheriff's Office is investigating the drowning of a 66-year-old woman in Seminole. 

Deputies said Mary Parrish Anderson was found unresponsive in the pool at a home on Cypress Trail around 10:30 p.m. on Wednesday. 

Mary's husband, Eric Anderson, 70, and her brother-in-law Mark Anderson, 68, were asleep inside the home and awoke to find Mary unresponsive in the pool and called 911. 

Deputies say the incident does not appear suspicious and the investigation remains ongoing.