I'm aware this isn't very time-specific, and not sure if the right SE, but what happens when a woman who belongs to a noble family and has a coat of arms, marries someone without a coat of arms etc.?
Throughout the last 1000 years red has become a consistent motif for military clothing and heraldic imagery in England. What are the reasons for this? Are there economic, environmental (eg. dyes used ...
(Asked after reading this answer in SciFi&Fantasy SE): I think that whole Stark (York) and Lanister (Lancaster) feud is reference to War of Roses. Both houses descended from house Plantagenet ...