The Mashable India article accurately details the Targaryen family tree in relation to HBO's upcoming 'Game of Thrones' prequel series, 'A Knight of the Seven Kingdoms.' The series is indeed based on George R. R. Martin's 'Tales of Dunk and Egg' novellas and is set approximately 90-100 years before the events of 'Game of Thrones' and roughly 70-80 years after 'House of the Dragon'. It serves to bridge the timeline between these two major shows, offering insights into a Westeros where the Targaryen dynasty still holds power, although dragons have long vanished from the realm. The central characters are Ser Duncan the Tall, a humble hedge knight, and his squire, Aegon Targaryen, affectionately known as 'Egg'. The article correctly emphasizes how the series introduces several new Targaryen characters and explains their lineage and connections to the broader 'A Song of Ice and Fire' universe. Key figures mentioned include King Daeron II Targaryen, who is the great-grandson of Rhaenyra and Daemon Targaryen from 'House of the Dragon', and his sons, Prince Baelor 'Breakspear' Targaryen and Prince Maekar Targaryen. Notably, Egg is Maekar's son and is destined to become King Aegon V Targaryen. Furthermore, the series also connects to 'Game of Thrones' through Maester Aemon, who is revealed to be another son of Maekar Targaryen and thus Egg's brother. The article accurately portrays the series as an exploration of this critical period in Westerosi history, focusing on individual journeys rather than the vast political conflicts seen in the main series, though political undercurrents, such as the lingering impact of the Blackfyre Rebellions, are present. The headline is accurate and reflects the factual content verified across multiple credible entertainment news sources and official HBO announcements.