The traditional list of the ancient Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

an rulers consists of 42 names. The first 26 rulers may belong to the realm of legend, as there is insufficient evidence of their existence, but modern scholars believe that the kings from no. 27 to no. 32 were historical. The rulers from no. 33 to no. 42 are well documented in many reliable Tibetan, Chinese and foreign sources.

A unified Tibetan state did not exist before the times of the kings number 31, 32, and 33. The earlier rulers, known as the Yarlung dynasty, were probably just local chiefs in the Yarlung Valley

Yarlung Valley

The Yarlung Valley is formed by the Yarlung River and refers especially to the district where it joins with the Chongye River, and broadens out into a large plain about 2 km wide, before they flow north into the Yarlung Zangbo River or Brahmaputra. It is situated in Nedong County of Lhokha...

 area, certainly not emperors of Tibet.

Traditional Tibetan titles for the emperor include tsenpo ("Emperor") and lhase ("Divine Son").

In the list the common transliteration is given first, the academic one in brackets.

Number	Name	Reign
1	Nyatri Tsenpo Nyatri Tsenpo Nyatri Tsenpo was a king of Tibet from the so-called "Yarlung dynasty". His reign is said to have begun in 127 BC. According to traditional Tibetan history, he was the first ruler of the kingdom. He is said to have descended from heaven on Yalashangbo, the sacred mountain...  (gNya'-khri bTsan-po)
2	Mutri Tsenpo (Mu-khri bTsan-po)
3	Dingtri Tsenpo (Ding-khri bTsan-po)
4	Sotri Tsenpo (So-khri bTsan-po)
5	Mertri Tsenpo (Mer-khri bTsan-po)
6	Dakrri Tsenpo (gDags-khri bTsan-po)
7	Siptri Tsenpo (Sribs-khri bTsan-po)
8	Drigum Tsenpo Drigum Tsenpo Drigum Tsenpo was an emperor of Tibet. According to Tibetan mythology, he was the first king of Tibet to lose his immortality when he angered his stable master, Lo-ngam. Legend states that rulers of Tibet descended from heaven to earth on a cord, and that they were pulled back up when their time...  (Gri-gum bTsan-po)
9	Chatri Tsenpo
10	Esho Lek (E-sho-legs)
11	Desho Lek (De-sho-legs)
12	Tisho Lek (Thi-sho-legs)
13	Guru Lek (Gu-ru-legs)
14	Trongzhi Lek ('Brong-zhi-legs)
15	Isho Lek (I-sho-legs)
16	Zanam Zindé (Za-nam Zin-lde)
17	Detrul Namshungtsen (lDe-'phrul gnam-gzhung-btsan)
18	Senöl Namdé (Se-snol gNam-lde)
19	Senöl Podé (Se-snol Po-lde)
20	Senöl Nam (lDe-snol-nam)
21	Senöl Po (lDe-snol-po)
22	Degyel Po (lDe-rgyal-po)
23	Detrin Tsen (lDe-sprin-btsan)
24	Tori Longtsen (rGyal-to-ri Long-btsan)
25	Tritsen Nam (Su-khri bTsan-nam)
26	Tridra Pungtsen
27	Tritog Jetsen (Khri-rje Thog-btsan)
28	Lha Thothori Nyantsen Thothori Nyantsen Lha Thothori Nyantsen was the 28th King of Tibet according to the Tibetan legendary tradition...  (lHa-tho-tho-ri gNyan-btsan)
29	Trinyen Zungtsen (Khri-gnyan gZung-btsan)
30	Drongnyen Deu ('Bro-gnyan lDe'u)
31	Tagbu Nyasig (sTag-ri gNyan-gzigs)	579–619
32	Namri Songtsen Namri Songtsen Namri Songtsen , also known as "Namri Löntsen" was, according to tradition, the 32nd King of Tibet , despite the fact he formerly ruled only the Yarlung valley, and later the central part of the Tibetan plateau...  (gNam-ri Srong-btsan)	?–629
33	Songtsen Gampo Songtsen Gampo Songtsän Gampo Songtsän Gampo Songtsän Gampo (Tibetan: སྲོང་བཙན་སྒམ་པོ་, Wylie: Srong-btsan sGam-po, 569–649?/605–649? was the founder of the Tibetan Empire (Tibetan: Bod; ), by tradition held to be the thirty-third ruler in his dynasty. In the Chinese records, his name is given as 'Sōngzàngānbù'...  (Srong-btsan sGam-po)	60?–649
34	Gungsrong Gungtsen Gungsrong Gungtsen Gungsrong Gungtsen, Gungsong Gungsten, or Kungsong Kungtsen was the only known son of Songtsän Gampo , the first Tibetan emperor....  (Gung-srong gung-btsan)	638–655?
35	Mangsong Mangtsen Mangsong Mangtsen Mangsong Mangtsen, Trimang Löntsen or Khri-mang-slon-rtsan succeeded to the throne after the death of his grandfather, Songtsän Gampo, and was the second emperor of the newly created Tibetan Empire....	653–676
36	Tridu Songtsen	676–704
37	Me Agtsom (Khri-lde-gtsug-brtan)	680–743
38	Trisong Detsen Trisong Detsen Trisong Detsän or Trisong Detsen ཁྲི་སྲོང་ལྡེ་བཙན , was the son of Me Agtsom and one of the emperors of Tibet and ruled...	755–797
39	Muné Tsenpo Muné Tsenpo Muné Tsenpo was the 39th Emperor of Tibet . This period of Tibetan history, towards the end, and after the reign of Trisong Detsen is very murky and the sources give conflicting stories and dates....	797–799?
40	Sadnalegs Sadnalegs Sadnalegs or Tridé Songtsen , was the youngest son of King Trisong Detsen of Tibet ....	c. 800 or 804–815?
41	Ralpacan Ralpacan Ralpacan , born c. 806, the Year of the Dog was, according to traditional sources, the 41st King of Tibet, ruling from the death of his father, Sadnalegs, in c. 815, until 838 CE...	815–836
42	Langdarma Langdarma Langdarma was the last emperor of the unified Tibetan empire, who most likely reigned from 838 to 841 CE. Early sources named him Tri Darma meaning "King Darma"; "Lang" is a nickname meaning "ox". He was also called tsenpo or lhase Au Dunten...	836–842