Wiktionary
predeceased
vb. (en-past of: predecease)
Usage examples of "predeceased".
And if Helen predeceased Del, or died at about the same time, which was the way things turned out, then everything in the collection was to be sold at auction, proceeds going to a charitable foundation Delaunay was setting up.
Catherine, died young, and the second son, Ellis, predeceased his father by two years.
The sarcophagus on the left is that of his principal wife, Tou Wan, who predeceased him, and my ancestor sleeps on the right.