Was it that long ago? Could you do the search and post the url to the forum? Many thanks.
Reason why I think the practice of the Chinese at time of marriage taking a "hao" (¸¹) using a generation poem is relatively recent is formed by observing the names in my family genealogy records. Also the fact different branches have different generation poems despite the fact they all shared a common ancestor.
In the old days people were given a name and a biaogi (ªí¦r). Some people had "hao" but were descriptive in nature. For example Li Bai is also known as "Qing Lin Ju Shi" because he was from the Qing Lin (Green Lily) area.
Some families did have a naming system in which each generation shared a common character or the name charcter had a common stroke. A good example of this is the names of the charcters in "Dream of a Red Chamber". Speaking of which the entire novel made no reference to any of the male character taking up a "hao" upon marriage. Please keep in mind the author lived less than a hundred years after your anestor.