By Crispian Balmer JERUSALEM (Reuters) -Israel lambasted Russian Foreign Minister Sergei Lavrov on Monday for claiming that Adolf Hitler had Jewish origins, saying it was an “unforgivable” falsehood that debased the horrors of the Nazi Holocaust. In a signal of sharply deteriorating relations with Moscow, the Israeli foreign ministry summoned the Russian ambassador and demanded an apology. “Such lies are intended to accuse the Jews themselves of the most horrific crimes in history that were committed against them,” Israeli Prime Minister Naftali Bennett said in a statement. “The use of the Hol…