Being the baby of the family sometimes has it advantages. Around 900 AD I am not sure it would be all that helpful. Your older brothers would certainly be in battle before you, but you did have equal rights to claim your fathers lands and titles. Dingad (JC-3) was the youngest son of Tudor Trevor (JC-1). The following figure shows his documentation. His wife was named Cicely (Sysli) (JD-7).
Reference found in: Muniments of Title, Shropshire, Selattyn-Porkington, Catalogue Ref. 894 and 1144, ref. 1144/9. In a collection of deeds and papers relating to the Hanmer family of Pentrepant. Future relatives, this Hanmer family!