What we learn from Einsiedler, Part 3

In part 1, I summarized the Einsiedler papers. In part 2, I covered Einsiedler's discoveries about the descendants of Moshe Joseph Spektor. Here, I will do the same for the descendants of Jacob David Spektor.

The most surprising thing we learn about Jacob David is that he marries a woman 31 years his junior (to be continued).