1. The eldest son of a nobleman, who has not yet attained to knighthood.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• childre,
• chield,
• childer,
• chiled,
• childern,
• childs,
• child,
• chyld,
• chylde,
• xhilde,
• vhilde,
• fhilde,
• dhilde,
• cgilde,
• cbilde,
• cnilde,
• cjilde,
• chylds,
• childers,
• Chylden

The plural of the "Childe" can be the "childes".

The singular of the "Childe" can be the "Childe".