Lyon was a city in France.
Therése Gavalle was born in Lyon in 1961. (PROSE: Instruments of Darkness)
In 2003, Jonas Rust planned to use the Eighth Doctor's artron energy to astral project himself to Lyon to retrieve a stolen amulet. Rust then summoned a demon to kill the Doctor. This failed and the demon ate Rust. (PROSE: The City of the Dead)