Yes, Kamadeva is considered the son of Goddess Lakshmi (Shri).
त्वं श्रीरुपेंद्रसदने मदनैकमातर्ज्योत्स्नासि चंद्रमसि चंद्रमनोहरास्ये।
सूर्ये प्रभासि च जगत्त्रितये प्रभासि लक्ष्मि प्रसीद सततं नमतां शरण्ये ॥ ८१ ॥81. You are the glorious lustre in the abode of Upendra (Viṣṇu). O sole mother of Madana(Kama), you are the moonlight in the Moon, O goddess with a face captivating the mind like the Moon. You are the splendour in the Sun. You shine with all refulgence in all the three worlds. O Lakṣmī, the sole refuge of those who bow down always, be pleased with me.
—Skanda Mahapuran, Kashi-khanda purvardha, chapter 5
In the Dwapara Yuga, he was reborn as the son of Maa Lakshmi (in her incarnation as Rukmini).
Siva said:
17-19. Lovely lady, don’t worry! You shouldn’t be embarrassed! Young girl, simply by you recollecting him, Kama will become visible. He is called “Mind-born” because he is thought of in the mind. He will fulfil your desires and you will become highly thought of, because when he(Kama) will be reborn in Laksmi by Visnu, your husband will become famous amongst people under the name of Pradyumna. He will live, Illustrious woman! Go now to your home!
—Ganesa Purana, chapter 89