SB 10.58.56
srutakirteh sutam bhadram
upayeme pitr-svasuh
kaikeyim bhratrbhir dattam
krsnah santardanadibhih
Translation:
Bhadra was a princess of the Kaikeya kingdom and the daughter of Lord Krsna’s paternal aunt Srutakirti. The Lord married Bhadra when her brothers, headed by Santardana, offered her to Him.