Kalidasa was an uncle of Raghunatha dasa Gosvami
Sri Caitanya-caritamrta
CC Antya-lila
CC Antya 16.8, Translation:
Kālidāsa was an uncle of Raghunātha dāsa Gosvāmī. Throughout his entire life, even in his old age, he tried to eat the remnants of food left by Vaiṣṇavas.