First gen members names (minus TPE FORCE members names from Taiwan Audition):
Chan Ka-hei, Chang Fa-fa, Chang Jing, Chen Lin, Chen Wei, Cheng Chia-yu, Cheng Yu-wei, Fujii Mayu, Gao Yun-jue, Honda Yuzuki, Huang Tzu-ching, Kao Yen-chen, Lau Hiu-ching, Lee Chen-si, Lee En-yun, Lee Meng-chun, Li Cai-jie, Li Jia-li, Lin Chia-ying, Lin Chieh-hsin, Lin Yu-hsin, Lin Yi-yun, Liu Jie-ming, Liu Yen-ting, Lo Jui-ting, Lu Yu-ching, Oyama Mirei, Pan Tzu-yi, Po Ling, Sin Tik-kei, Tsai Ya-en, Tsai Yi-juo, Tseng Shih-yu, Tung Zih-syuan, Wang Yi-chia, Wen Chen-chun, Weng Li-fei, Zhou Jia-yu
With 1st gen trainees, Kaigai member Abe Maria, and TPE FORCE, there's now 46 members.
Update Feb. 7th:
2 members, Chan Ka-hei and Sin Tik-kei, are from Hong Kong, and Pan Tzu-yi is from Macao.
Then, if you can see a few names above, Fujii Mayu, Honda Yuzuka, and Oyama Mirei must be half-Taiwanese/half-Japanese. Oyama Mirei was born in Japan, while the other two were born in Taiwan.