 This factor also worked in reverse ; while Hannah de Rothschild was keen to marry Rosebery , she was also aware of many obstacles , the foremost being that she was devoted to her faith , and to leave it would be a severe moral <unk> . Another obstacle was the Rothschild family itself : it was their custom to marry cousins to keep their fortune within the family . Ironically , Hannah herself had opposed the marriage of her cousin Annie de Rothschild to the Christian Eliot Yorke , the son of the Earl of Hardwicke , in 1866 . In fact , she was to be the third daughter of the family 's English branch to marry outside of the Jewish faith , but such was the fame of the <unk> and the resultant publicity that the Jewish elders and press felt an example needed to be made . The Jewish Chronicle announced its " most poignant grief " at the prospect , and <unk> added , " If the flame seize on the cedars , how will fare the <unk> on the wall : if the <unk> is brought up with a hook , how will the <unk> escape , " demonstrating what a threat to the social fabric of the Jewish faith the Jewish elders saw in the prospect of such a marriage . The quotation , originally from the Babylonian Talmud , can be taken to mean that the elders and respected members and more notable members of the Jewish faith should set a good example by strictly following the teachings of the Jewish articles of faith which <unk> upon marriage to members of other religions . 
