sentences:  Other guests included descendants of Panagos Pateras, the captain and owner of the ill-fated "Diamantis", officers of Southern Command, members of the Irish Coast Guard, the crew of the Valentia lifeboat, and a troop of Sea Scouts from Tralee.The secretary of the historical society, Dr. Breandán Ó Ciobháin, delivered a welcoming address in Irish, English, Greek, and German, and invited the German ambassador to address the gathering