Mengzi · proper noun1
Borrowed from the Hanyu Pinyin romanization of the Mandarin Chinese for 孟子 (Mèngzǐ).
Mengzi · proper noun2
Borrowed from the Hanyu Pinyin romanization of the Mandarin Chinese for 蒙自 (Méngzì).
Etymology from Wiktionary, CC BY-SA 4.0.