dhrtavratah

manyuḥ, manuḥ, mahinasaḥ, mahān, śivaḥ, ṛtadhvajaḥ, ugaretāḥ, bhavaḥ, kālaḥ, vāmadevaḥ, dhṛtavrataḥ — all names of Rudra; SB 3.12.12
dhṛtavrataḥ — a son named Dhṛtavrata; SB 9.23.12