Who is the eldest brother, the second child and the third child among the three brothers who love Liu Xiqiao?

In the TV series "Nanyang Daughter Love", Lu Xiqiao is the first, Lu Xiyuan is the second and Lu Xijing is the third. According to Baidu's query, the brothers Lu Xiqiao in Nanyang Daughter Love are composed of three people: Lu Xiqiao, Lu Xiyuan and Lu Xijing. In the novel Thirteen Sisters in Nanyang, Lu Xiqiao ranks first, Lu Xiyuan ranks second and Lu Xijing ranks third. This point was also preserved in later movies and TV plays. Generally speaking, the three brothers Lu are very important figures, and their different fates and experiences in Nanyang Daughter Love are all shown in the novel. Their images also profoundly describe the hard life and mental outlook of China immigrants in foreign countries at that time.