There are many ways to write different characters...especially when it comes to names. The most popular characters for the pinyin when it comes to names for sheng jie would be '生杰'.
圣洁
You can write this name in Chinese as 切瑞 [qiē ruì].
michael
Google and type in Chinese letters
Well to write your name in chinse you need to go google and look it up.
梁晨
Madison
Tǎ lún
悬崖
I need to put this on a name card in the Chinese symbol
It used be a part of Chinese food name, write is "宫保".
Confucious in Chinese is 孔子(kǒng zǐ)