(CNN) Just before Alvin Chang's mother passed away 12 years ago, she asked Alvin's older sister to look after him.
Taipei, the capital of Taiwan, saw hundreds of thousands marching for equality on Saturday.
Taiwan was the first place in Asia to legalize gay marriage, but seven million citizens voted on a referendum against it.
Gay couples in Taiwan will be able to marry under a law separate from the one authorizing marriage between a man and a woman.
(WB) A referendum on whether same-sex couples should receive marriage rights in Taiwan failed on Saturday.