claim: The current Duke of York has no female heirs.
evidence: Khuwayr Kadra ' or Tawi al Khuwayr is a community in Ibri Province , Ad Dhahirah Governorate , Oman .. Oman. Oman. Governorate. Provinces of Oman. Ad Dhahirah Governorate. Ad Dhahirah Governorate. Province. Provinces of Oman. Ibri Province. Ibri