Harlen Tyrell is an unseen character in Game of Thrones He is not expected to appear, being long dead by the time it begins.
Harlen was the steward of Highgarden during the reign of King Mern IX of the Reach. After the death of his king in the Field of Fire, Harlen surrendered Highgarden to Aegon the Conqueror. Afterward, Aegon elevated Harlen to Lord Paramount of the Reach and Warden of the South and House Tyrell to the status of a Great House.
In the books
In the A Song of Ice and Fire novels, Harlen Tyrell's story is the same.
|Lord:||Lord Mace Tyrell||Heir:||Ser Loras Tyrell|
|Title(s):||Lord Paramount of the Reach · Lord of Highgarden · Warden of the South|
|Ancestors:||Garth Gardener · Harlen Tyrell · Lyonel Tyrell|
|Current members:||Olenna Tyrell · Alerie Tyrell · Margaery Tyrell · Tyrell lady|
|Deceased members:||Luthor Tyrell|
|Household:||Mira Forrester · Sera Durwell|
|Overlord:||House Baratheon of King's Landing|