He was descended through John of Gaunt's bastard son, John Beaufort however.

他是冈特的约翰的私生子，约翰·博福特的后代。

Henry is the son of John of Gaunt so that would make him the cousin of Richard II.

亨利是冈特的约翰之子，所以他是理查二世的堂弟。

While Henry VI was a great-grandson of John of Gaunt, the founder of the House of Lancaster.

而亨利六世则是兰开斯特家族的创始人，冈特的约翰的曾孙。

His John of Gaunt is like a study of the old age of Drake.

他的《冈特的约翰》就像是对德雷克晚年的研究。

This guy was the great-great-great-grandson of Edward III going back to their family tree and descended from John of Gaunt so he was technically a Lancaster.

这个人是爱德华三世的曾曾曾孙，追溯他们的族谱，他是冈特的约翰的后代，所以他是兰开斯特家族的一员。

Although the Plantagenets ruled England until  1485, they split into two houses in 1399 when John of Gaunt died.

虽然金雀花王朝统治英格兰直到 1485 年，但在 1399 年冈特的约翰去世后，他们分裂为两个家族。

The problems arise here in the House of Lancaster descends from this guy John of Gaunt and the House of York descends from this other guy Edmund of Langley.

问题出现在，兰开斯特王朝是冈特的约翰的后裔，约克王朝是兰利的埃德蒙的后裔。