It is a distant connection, through marriages. Hattie is fourteen degrees removed from AJ.
The connection point is AJ Jacobs' great great grandmother, Sophie Friedenheit.
Sophie Friedenheit Kingsbacher -> her brother, Isaac Friedenheit -> his wife, Esther Goldsmith Friedenheit -> her sister, Dora Goldsmith Schiffer -> her daughter, Rosalind Schiffer Bloomingdale Cowen -> her husband, Arthur Cowen -> his son, George Cowen -> his wife, Nan Fingarson Cowen -> her father, George Fingarson -> his brother, Fred Fingarson -> and his wife, Hattie Anderson Fingarson
or the other way around ;) -
Hattie Anderson Fingarson -> her husband, Fred Fingarson -> his brother, George Fingarson -> his daughter, Nan Fingarson Cowen -> her husband, George Cowen -> his father, Arthur Cowen -> his wife, Rosalind Schiffer Bloomingdale Cowen -> her mother, Dora Goldsmith Schiffer -> her sister, Esther Goldsmith Friedenheit -> her husband, Isaac Friedenheit -> his sister, Sophie Friedenheit Kingsbacher (AJ's great great grandmother)