Exodus 5:2

“And Pharaoh{H6547} said,{H559} Who is Jehovah,{H3068} that I should hearken{H8085} unto his voice{H6963} to let Israel{H3478} go?{H7971} I know{H3045} not Jehovah,{H3068} and moreover I will not let Israel{H3478} go.{H7971}”