Whom we were searching for: Bertha Trottnow (an aunt of my maternal grandmother)
How it was indexed: Bertha Poothrow
kateshort's response when I discovered this entry: "You have got to be shitting me!"
(Also, Bertha's mother was named Adolphina. It's written on the page as "Ottophena", and indexed as "Ollophevn". Searching these indexes is sometimes a real character-builder.)
Feudalism: Serf & Turf