These family crests (In Japanese, KAMON) are called 'Icho - Mon' in JAPAN.
|Crane-shaped ginkgo leaf on circle||Trisected ginkgo leaves||Three ginkgo leaves||Crane-shaped ginkgo leaf||Linked ginkgo leaf circles|
|Butterfly-shaped ginkgo leaves||Three ginkgo leaves with swords||Three ginkgo leaves with swords in a circle||Yin and yang ginkgo leaves in threadlike ring||Fan-shaped three ginkgo leaves|
The Tokugawa clan was said to have used the crest of this deciduous tree's leaves before adopting the hollyhock. (From 'Family Crests of Japan' ICG Muse, Inc.2001)