Surely no news to Dr Bob or Sara, but le Fevre / LeFèvre / Lefebvre is a French Huguenot name, with some impressive American kin
https://www.geni.com/projects/Notabl...d-States/12999
Jan Antoon Neuhuys "Emigration of the Huguenots, 1566"
leading up to the St. Bartholomew's Day massacre Aug. 24, 1572
https://www.christianity.com/church/...-11630022.html
which turned out to be a good thing for the U.S., esp. N.Y., Virginia and S. Carolina