whoa, you're like the odd chance receiver! First the six girls, and now there are three island events out of four that feature the same villager!!!
Well, while the six girls one was unlikely, two of the events in the tribe involving Romilda (the villager in the white dress) really wasn't, as I only had 10 people in the tribe both times I got events involving her (the Biggles one and the seawater one). The third choice event that happened in that tribe (sealed box) involved Kali (the red-haired villager), not Romilda.
And I had a new event happen in that same tribe. Another non-choice event this time: