三代で断絶した源将軍家　源頼家・源実朝・公暁・貞暁・鞠子 【系図で学ぶ鎌倉殿の13人】

New channel 日本史オンライン講座: title sample judged 'whole' (A dedicated Japanese history teaching channel with lecture series, scholar-led seminars, and structured courses that ove); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.

A 24-minute video from 日本史オンライン講座: “三代で断絶した源将軍家　源頼家・源実朝・公暁・貞暁・鞠子 【系図で学ぶ鎌倉殿の13人】”.

Video by 日本史オンライン講座, played through YouTube's embedded player.