From Destinypedia, the Destiny wiki
Patrol European Dead Zone
Teleportation High Durability Midair Levitation Eye Protection Ether Shield
Queenbreaker servitors are a group of Servitors belonging to Queenbreakers. They escaped the Reef to join the House of Dusk like the other prisoners, but they were later captured or destroyed by the Guardians on the orders of The Spider.
One Wanted servitor, simply called Queenbreaker can be found free-roaming the Trostland area.