Zhou Zuoren (1885-1967), brother of Lu Xun 魯迅|鲁迅[Lu3 Xun4], academic in Japanese and Greek studies, briefly imprisoned after the war as Japanese collaborator, persecuted and died of unknown causes during the Cultural Revolution
wife or senior concubine of husbands older brother (old) / elder sister (old)
不分伯仲
bù fēn bó zhòng
lit. unable to distinguish eldest brother from second brother (idiom) / they are all equally excellent / nothing to choose between them
孝悌忠信
xiào tì zhōng xìn
Confucian moral injunctions of fidelity / piety to one's parents, respect to one's older brother, loyalty to one's monarch, faith to one's male friends
four Confucian injunctions 孝悌忠信 / (for men), namely: piety 孝 / to one's parents, respect 悌 / to one's older brother, loyalty 忠 / to one's monarch, faith 信 / to one's male friends / the four Confucian virtues for women of morality 德[de2], physical charm 容, propriety in speech 言 / and efficiency in needlework 功
lit. older brother / fig. fellow students who are successful in the imperial examinations
康广仁
Kāng Guǎng rén
Kang Guangren (1867-1898), younger brother of Kang Youwei 康有為|康有为[Kang1 You3 wei2] and one of the Six Gentlemen Martyrs 戊戌六君子 / of the unsuccessful reform movement of 1898
Li Jiancheng (589-626), eldest son of first Tang emperor Li Yuan 唐高祖李淵|唐高祖李渊, murdered by his brother 李世民 / in the Xuanwu Gate coup 玄武門之變|玄武门之变 / Professor Li Jiancheng (1964-), geophysicist and specialist in satellite geodesy
白行简
Bái Xíng jiǎn
Bai Xingjian (c. 776-826), younger brother of Bai Juyi 白居易[Bai2 Ju1 yi4], Tang novelist and poet, author of novel Tale of Courtesan Li Wa 李娃傳|李娃传[Li3 Wa2 Zhuan4]
Mikoyan (name) / Anastas Ivanonovich Mikoyan (1895-1978), Soviet politician, politburo member in the 1950s and 1960s / Artem Ivanovich Mikoyan (1905-1970), brother of the politician and one designer of MiG military aircraft
(female usage) older brother (loanword from Korean "oppa") / male friend
扶弟魔
fú dì mó
(coll.) (neologism c. 2017, a play on 伏地魔[Fu2 di4 mo2]) woman who devotes herself to supporting her little brother (assisting him with his studies, giving money to help him buy a house etc)
Bo Yikao, eldest son of King Wen of Zhou 周文王[Zhou1 Wen2 wang2] and the elder brother of King Wu 周武王[Zhou1 Wu3 wang2] who was the founder of the Zhou Dynasty 周朝[Zhou1 chao2] of ancient China
dì di