I'm looking at the manifest from 1904 for the Princess Irene sailing from naples. The manifest is from the Ellis Island site. My Gr. Grandfather Giacomino Trotta was traveling to the US to Antonio Forlenza. The manifest shows that Antonio was Giacomino's Brother in law. This is correct because Giacomino's wife Carmella Forlenza had a brother Antonio. There are two other passengers listed just below Giacomino's name. Gelsomino Caloia and his wife Annina. Both entries show they are going to visit their brother in law Antonio Forlenza. My confusion is how are Gelsomino and Annina related to Giacomino? Thanks in advance for your help.