In a heart-wrenching incident, an Oklahoma City family is grappling with the devastating loss of their twin toddlers, a boy, and a girl, who tragically drowned in their family pool. The incident unfolded when their great-grandmother, battling Alzheimer’s, inadvertently left a back door open, leading to the heartbreaking accident.

Jenny Callazzo, a 37-year-old stay-at-home mom and boutique owner, made the heart-wrenching discovery on a Thursday morning when she found her 18-month-old children, Locklyn and Loreli, unconscious at the bottom of the pool. Despite immediate efforts, the tots were pronounced dead two hours later, according to the Daily Mail.Jenny resides in a $565,000 home with her grandmother, six children, and 42-year-old husband Sonny, a marketing executive. A relative shared with the Daily Mail that the great-grandmother’s oversight in leaving the back door open allowed the twins to slip out unnoticed, leading to the tragic incident.