H.H. Dudjom Rinpoche, also known as Dudjom Rinpoche Jigdral Yeshe Dorje, was a highly revered Tibetan Buddhist master who played a significant role in spreading the teachings of Buddhism in the West. He had a close relationship with many other prominent Buddhist masters, both within and outside of the Tibetan Buddhist tradition.

One of Dudjom Rinpoche's most significant relationships was with His Holiness the 14th Dalai Lama. The Dalai Lama recognized Dudjom Rinpoche as one of the most accomplished masters of the Nyingma tradition and often sought his guidance and teachings. They also collaborated on various projects, including the translation of important Buddhist texts into English.

Dudjom Rinpoche also had a close relationship with Dilgo Khyentse Rinpoche, another highly respected Tibetan Buddhist master. They were both considered to be emanations of the same enlightened being, Guru Rinpoche, and shared a deep spiritual connection. Dudjom Rinpoche often sought Dilgo Khyentse Rinpoche's advice and teachings, and they worked together to preserve and spread the teachings of the Nyingma tradition.

Another prominent master that Dudjom Rinpoche had a close relationship with was Chogyam Trungpa Rinpoche, a pioneer of Tibetan Buddhism in the West. They both shared a deep understanding of the teachings and worked together to establish centers and monasteries in the United States. They also collaborated on translating texts and teachings into English to make them more accessible to Western students.

Dudjom Rinpoche also had a strong connection with the 16th Karmapa, Rangjung Rigpe Dorje. They had a mutual respect and admiration for each other's teachings, and Dudjom Rinpoche often attended the Karmapa's teachings and empowerments. The 16th Karmapa also recognized Dudjom Rinpoche as an accomplished master and encouraged his efforts to spread the teachings of Buddhism in the West.

Apart from these prominent masters, Dudjom Rinpoche also had a close relationship with many other Buddhist masters, including Kalu Rinpoche, Sakya Trizin, and Khenpo Ngawang Pelzang. He also had a deep connection with his own root teacher, Dzongsar Khyentse Chokyi Lodro, who recognized him as an accomplished master and entrusted him with the responsibility of spreading the teachings of the Nyingma tradition.

In conclusion, H.H. Dudjom Rinpoche had a close relationship with many prominent Buddhist masters, both within and outside the Nyingma tradition. They shared a deep spiritual connection and worked together to preserve and spread the teachings of Buddhism in the West. Dudjom Rinpoche's relationships with these masters were based on mutual respect, admiration, and a shared commitment to the Dharma.