About Kassapa Buddha

Kassapa Buddha (Pāli), known as Kāśyapa in Sanskrit, is one of the ancient Buddhas whose biography is chronicled in chapter 24 of the Buddhavamsa, one of the books of the Pāli Canon.
Nyingma refuge tree - Longchen Nyingtik Lineage

Nyingma Lineage tree thangka with explanation chart

The subject depicted in this is called Guruparampara, a “Line of Teachers.” It depicts the family tree of lineage, as it were, and its function is to indicate a line of descent. The meaning of this presentation is to show a refuge for believers. It creates a kind of structure with a number of deities and teachers in whom devotees take refuge, because they will help believers in the course of their spiritual development.  .
Seated Buddha, from the Seokguram, Korea

Incarnations of Gautama in Buddhism

was an ascetic and spiritual teacher of South Asia who lived during the latter half of the first millennium BCE. He was the founder of Buddhism and is revered by Buddhists as an Enlightened being whose teachings sought a path to freedom from ignorance, craving, rebirth and suffering. Born in Lumbini in the Newar clan of the Shakya, he spent the majority of his adult life in modern day Nepal and India, .