Hassock cousins

• Comfy footstools
• Middle Easterners named for their first sultan
• Pretentious over crews getting seats
• An Empire and a hassock
• Footstools that often match chairs
• Conquerors of the Byzantines
• Foot props
• They help people get a leg up

Wiktionary Word definitions in Wiktionary
n. (plural of ottoman English)