My guess, it gives 2 settlers. Maaaaaybe 3. But I figure only 2, which is enough.
I doubt this wonder will be “worth it”, since 2 Settlers is fairly easy to build (much more so than a wonder), and being a later game wonder, won’t generate a terribly large amount of tourism. I guess it’s good if you just want to leave a coastal city running this. Though Venetian Arsenal is still 5 times stronger.
As far as the loyalty effect goes, that’s neat and thematic. It’ll be a Wide player’s dream. Plop down a city away from your Cap, and you can have a second base of operations so to speak. Just gotta get it to wonder-building strength first.
In comparison to Collosus, at least Collosus gives you something you can’t hard produce (the trade slot) at will. The free trader is just a bonus. I wonder if this lady will give a yield? Culture perhaps?