Perhaps if we were to find an alternative route and leave behind the Balkan Nobility ?
I have found a few sources relating to the wife of Laurentios Mavrocordatos 1547-? named Eleni/Helena Massimo/Maximo 1556-? she is the daughter of Emanuele Massimo/Maximo and Jacobina Giustiniani (herself a daughter of Pier Giuseppe Giustiniani ?-1589 and Luigina Giustiniani).
Now we are aware that Mavrocordatos were direct ancestors of the later day Manos of the late 19th and 20th century so my point is this: