<prompt> Bhala ukuqhubeka kwalesi sigaba - I-Isaac Heffron House iyisakhiwo esinezitezi ezimbili esise-1509 Postoffice Street Avenue E e-East End Historic District yaseGalveston, eTexas. Le ndlu yakhiwa ngu-Isaac Heffron, usonkontileka ovelele waseGalveston ngesikhathi seVictorian nangesikhathi sokuvuselelwa kwedolobha kusuka ku-1900 Galveston Hurricane  <response>: . futhi. Kamuva, le ndlu yaba yikhaya likaT.J. Holbrook, owayengumengameli wesifundazwe saseTexas kusukela ngo-1922 kuya ku-1939. 