From Infogalactic: the planetary knowledge core
- Smilets of Bulgaria – his parentage is unknown, but he was of noble birth and had two brothers
- Smiltsena Palaiologina – wife of Smilets
- Marina Smilets of Bulgaria – daughter of Smilets and Smiltsena
- Teodora of Bulgaria, Queen of Serbia – daughter of Smilets and Smiltsena
- Ivan II of Bulgaria – son of Smilets and Smiltsena
- Ivan Dragušin – son of Marina and Aldimir
- Stephen Uroš IV Dušan of Serbia – son of Teodora and Stephen Uroš III Dečanski of Serbia
- Dušman – son of Teodora and Stephen Uroš III Dečanski
- Valentino Križanić, Dinastija Smilec
- Pavlov, Plamen (2006). Търновските царици [Queens of Tarnovo]. Veliko Tarnovo: ДАР-РХ.
- Pachymeres Vol. II, Andronicus Palæologus, Liber V, 18, str. 406, and Liber VI, 35, str. 559.
- Fine, John Van Antwerp (1994), The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest, University of Michigan Press, ISBN 978-0-472-08260-5
- Porodica Teodore i njenog muža