A member of the Nimbārka or Sanakādi sampradāya, a Vaiṣṇava bhakti tradition claiming the Dvaitādvaitin, Nimbārka as its founder. The early history of the sampradāya is not clear, but it appears to have been revived by the twenty-ninth ācārya, Keśava Kāśmirī Bhaṭṭa (b. 1479), who established Braj as an important centre for the Nimbarkīs. Succeeding ācāryas developed a theology focused on devotion to Kṛṣṇa and Rādhā as the male and female aspects of the supreme reality (brahman (neut.)), the devotee taking the part of a devoted friend (sakhī) of the couple. The thirty-first ācārya, Harivyāsadeva, created an hereditary lineage of male householder initiates (gosvāmīs), although women too are prominent in the tradition. There are also ascetic branches. The sampradāya has divided over the centuries, but still has centres across northern India—in Rajasthan, Vārāṇasī, and Bengal, as well as in Vṛndāvana.