16.Family crest of Katakura Kagetsuna
“井”mark inside wisteria flower frame
Wisteria bines & flowers surrounding a kanji letter “井”.
“井” represents a frame made from 4 pieces of wood, that was placed on top of a well.
Water is essential for any human beings, which is why people tend to inhabit near water wells.
Castle's name that stamp this family crest
・Shiroishi castle(Miyagi)