Ana, Im a 23 yr old woman originally from the south carribean but grew up in Miami,Florida.
As much as I can tell,the Gamba name comes from Italy/Meditteranean region.
My father was from Naples, Italy, hismmother was italian, his father from Greece.
I would be quite interested to find what you have found out as well...
Im giong to Bogota this coming summer (perhaps July)..what can you tell me about your city?
Anything you find would be of great interest ot me as i never met my father.
....my email is firstname.lastname@example.org