Bellevue Police say 34-year old Adam Price was arrested Sunday evening in Pacifica, California.
Police say the bodies of three-year-old Theodore Price and five-year-old Emily Price were found in a home near Alberta Avenue and Cedar Island Road in Bellevue Sunday morning.
Officers went to the home after their mother, who lives in Illinois, hadn't heard from them in a couple of days.
Bellevue Police say they went to the home Saturday evening and Sunday morning for a "wellness check" on the two children and their father after receiving calls from the Mom.
Police say there wasn’t enough evidence to let them make a forced entry.
First responders went back to the house later Sunday morning, after friends of the family found the children dead inside.