Toxicology tests found that Jennifer Hart had an alcohol level of.102, according to California Highway Patrol Captain Bruce Carpenter.
Her wife, Sarah Hart, had a significant amount of the ingredient in Benadryl in her system, as did two of the children, CHP said.
Five bodies were found March 26 near the small city of Mendocino, a few days after Washington state authorities began investigating the Harts for possible child neglect, but three of their children were not immediately recovered from the scene.
In California, a person is legally drunk if they have a BAC of.08 or higher.
Police had previously said they believed the Hart family died in a suicide plunge from a scenic overlook.
This March 20, 2016, file photo shows Hart family of Woodland, Wash., at a Bernie Sanders rally in Vancouver, Wash.
Vehicle debris and also individual items concur that an SUV noticed diving right to a Northern California river belonged to some family which vanished past week in the same county because the Hart household, authorities said Thursday.
U.S. to spend $16 million more on Venezuelan refugees, Pence announces
It will be Pence's second trip to the region - he travelled to Argentina, Chile, Colombia and Panama last August. Venezuelan President Nicolás Maduro has accused the USA government of contributing to the country's crisis.
Investigators have not come up with a motive but say it appears the incident was intentional, The FBI is deploying their Behavioral Analysis Unit to assist and try to understand what happened. The body has yet to be identified.
Jennifer and Sarah Hart and their six adopted children were believed to become at the moment; point from the SUV.
"Several items have been positively identified, by family members, since belonging to the Thottapilly family members", it also said. Alexandra Argyropoulos, who told The Associated Press previously that she contacted OR child welfare officials, said in an email Friday that Jennifer Hart ran the household "like a regimented boot camp".
While socio-economic and cultural background are often considered the most influential factors in a child's ability to succeed at school, Hancock said the research demonstrates that children's family history - particularly in relation to their grandparents - is of upmost importance.
After investigating for almost a week, the authorities have now confirmed that the Indian family of four has drowned in the Eel River in Northern California, following a massive storm.
"It appears she (Hart) was about 70 feet from the edge and accelerated from there", Carpenter said.