Lvov dvoryan families

There were several dvoryan (Russian nobility) families named Lvov (Russian: Львов) in the Russian Empire.

[1] One of them is traced from a Mark Demidovich of Lithuanian descent (14th century) and is enlisted into the pedigree book of Tver Guberniya.

[1] Another one traces from the 16th century and enlisted into the pedigree books of Moscow and Oryol guberniyas.

[1] Still another one descends from a Kondratiy Afanasiyevich Lvov granted an estate in Galich uyezd, Kostroma Guberniya in 1671.

The family is enlisted into the pedigree book of Kostroma Guberniya.