There is a flow to read Puranas.Note: Gunas are not for the book or for the Lord in it but to the people whom read. For example, If an individual knows nothing about Hinduism. They should read Puranas as introduction to Hinduism. First one has to read tamasic purana. Tamasic Purana introduces one to Supreme Lord Sadasiva, Lord Mahadev, Adi Sakthi, Maa Durga, Lord Krsna, Lord Narayana and etc. Supreme Lord of Tamasic Purana is Lord Sadasivaa. In some places Lord Sadasiva is mentioned as Lord Shiva. Some mention as Lord Mahadev. Proofs refer Rudrasamhita section 1: creation chapter 6 J.L.Shastri A.I.T.M, u guys will understand. Second up, reading rajas purana. This purunas mainly proclaims Supremacy of Mula Prikriti (Devi Buvameswari) and Mula Purusha (Lord Krsna). After reading tamasic purana, one will be elavated from tamas guna to rajas guna. You will also understand why they are proclaimed to be supreme. Because it under the will of Lord Sadasiva and Lord Mahadev. Then, we move to Sattva purana where Lord Narayana and Lord Mahadev proclaimed to be Supreme. As the flow complete, one will be nirguna. After that only u can find Brahman. After 2 years of reading essence of purana and original puranas as well, I came to an conclusion that Lord Sadasiva is Supreme. So the source of Trimurthi is Lord Mahadev. And the others are only proclaimed to be the source of trimurthi are proclaimed under the bid of Lord Mahadev

There is a flow to read Puranas.Note: Gunas are not for the book or for the Lord in it but to the people whom read. For example, If an individual knows nothing about Hinduism. They should read Puranas as introduction to Hinduism. First one has to read tamasic purana. Tamasic Purana introduces one to Supreme Lord Sadasiva, Lord Mahadev, Adi Sakthi, Maa Durga, Lord Krsna, Lord Narayana and etc. Supreme Lord of Tamasic Purana is Lord Sadasivaa. In some places Lord Sadasiva is mentioned as Lord Shiva. Some mention as Lord Mahadev. Proofs refer Rudrasamhita section 1: creation chapter 6 J.L.Shastri A.I.T.M, u guys will understand. Second up, reading rajas purana. This purunas mainly proclaims Supremacy of Mula Prikriti (Devi Buvaneswari) and Mula Purusha (Lord Krsna). After reading tamasic purana, one will be elavated from tamas guna to rajas guna. You will also understand why they are proclaimed to be supreme. Because it under the will of Lord Sadasiva and Lord Mahadev. Then, we move to Sattva purana where Lord Narayana and Lord Mahadev proclaimed to be Supreme. As the flow complete, one will be nirguna. After that only u can find Brahman. After 2 years of reading essence of purana and original puranas as well, I came to an conclusion that Lord Sadasiva Supreme.

Update: Trimurthi came to existenance (Universe) individually. Lord Brahma from Brahma loka is from Garbhodakasayi Vishnu, fourth manifestation of Lord Vishnu. Garbhodakasayi Vishnu ( Lord Vishnu in Trinity) is from Karanavavasayi Vishnu. Lord Rudra ( Veerabhadra) is from Lord Mahadev. Karanavavasayi Vishnu is from Lord Narayana. Lord Mahadev from Lord Sadasiva. Lord Narayana from Lord Krsna. Lord Krsna from Lord Sadasiva. Adi Sakthi (Durga) is from Adi sakthi (Buvaneswari). Adi Sakthi (Buvaneswari) from Adi Sakthi (consort of Sadasiva) in Sadasivadham. This is how entire Gods and Trimurthis came into existenance.

There is a flow to read Puranas.Note: Gunas are not for the book or for the Lord in it but to the people whom read. For example, If an individual knows nothing about Hinduism. They should read Puranas as introduction to Hinduism. First one has to read tamasic purana. Tamasic Purana introduces one to Supreme Lord Sadasiva, Lord Mahadev, Adi Sakthi, Maa Durga, Lord Krsna, Lord Narayana and etc. Supreme Lord of Tamasic Purana is Lord Sadasivaa. In some places Lord Sadasiva is mentioned as Lord Shiva. Some mention as Lord Mahadev. Proofs refer Rudrasamhita section 1: creation chapter 6 J.L.Shastri A.I.T.M, u guys will understand. Second up, reading rajas purana. This purunas mainly proclaims Supremacy of Mula Prikriti (Devi Buvameswari) and Mula Purusha (Lord Krsna). After reading tamasic purana, one will be elavated from tamas guna to rajas guna. You will also understand why they are proclaimed to be supreme. Because it under the will of Lord Sadasiva and Lord Mahadev. Then, we move to Sattva purana where Lord Narayana and Lord Mahadev proclaimed to be Supreme. As the flow complete, one will be nirguna. After that only u can find Brahman. After 2 years of reading essence of purana and original puranas as well, I came to an conclusion that Lord Sadasiva is Supreme.

There is a flow to read Puranas.Note: Gunas are not for the book or for the Lord in it but to the people whom read. For example, If an individual knows nothing about Hinduism. They should read Puranas as introduction to Hinduism. First one has to read tamasic purana. Tamasic Purana introduces one to Supreme Lord Sadasiva, Lord Mahadev, Adi Sakthi, Maa Durga, Lord Krsna, Lord Narayana and etc. Supreme Lord of Tamasic Purana is Lord Sadasivaa. In some places Lord Sadasiva is mentioned as Lord Shiva. Some mention as Lord Mahadev. Proofs refer Rudrasamhita section 1: creation chapter 6 J.L.Shastri A.I.T.M, u guys will understand. Second up, reading rajas purana. This purunas mainly proclaims Supremacy of Mula Prikriti (Devi Buvameswari) and Mula Purusha (Lord Krsna). After reading tamasic purana, one will be elavated from tamas guna to rajas guna. You will also understand why they are proclaimed to be supreme. Because it under the will of Lord Sadasiva and Lord Mahadev. Then, we move to Sattva purana where Lord Narayana and Lord Mahadev proclaimed to be Supreme. As the flow complete, one will be nirguna. After that only u can find Brahman. After 2 years of reading essence of purana and original puranas as well, I came to an conclusion that Lord Sadasiva is Supreme. So the source of Trimurthi is Lord Mahadev. And the others are only proclaimed to be the source of trimurthi are proclaimed under the bid of Lord Mahadev