First encountered sitting on the low wall outside the locked gate to Sen's Fortress, but only until you ring both bells. After that, Siegmeyer of Catarina moves on. He will keep moving around Lordran so long as you keep interacting with him.

See the Catarina Quest page for more details of key points for Siegmeyer.

• Outside Sen's Fortress.
• After ringing both bells, cliff edge, near the rolling boulders outside Sen's Fortress.
• Anor Londo, upper floors.
• Firelink Shrine, answer yes to question.
• Blighttown, near Giant Leech area.
• Lost Izalith, area under the final fog gate.
• Ash Lake, next to first Bonfire.

Siegmeyer of Catarina outside Sen's Fortress. Your first meeting with this Knight and the start of the Catarina side quest.

credit: From Software

Siegmeyer will drop Humanity and the Speckled Stoneplate Ring if killed.

• Catarina Quest
• Sieglinde of Catarina, his daughter