Thread:Sinthorion/@comment-26184570-20151020202445/@comment-27723099-20151021042116

something around the lines of: /summon lotr.SwanKnight ~ ~ ~ {Equipment:[{id:weapon},{id:boots},{id:leggings},{id:chestplate},{id:helmet}]}

Replace all bold text by the (numeric) IDs for these items. To find out the ID of items, press F3+H, then look in the item tooltips.