Skyrim:Dragon Bridge People

Lylvieve Family's House
Azzada Lylvieve Clinton Lylvieve Julienne Lylvieve Michel Lylvieve
Four Shields Tavern
Faida

Horgeir's House
Horgeir Lodvar Olda
Penitus Oculatus Outpost
Commander Maro† Gaius Maro‡ Penitus Oculatus Agent

† Gets killed in the Dark Brotherhood quest, Hail Sithis!
‡ Gets killed in the Dark Brotherhood quest, Breaching Security