"but nor would he allow ella to walk out of his life . he remembered the passion they had shared and it had never been matched , not even close , by any woman since . his advisors were more than a little anxious , arguing with him almost constantly now to find a wife , to provide tusain with an heir . he 'd simply ignored their pleas , still determined to find _ ..." What is the word in the blank space (_)? The answer is
ella