Guigo I (1083-1136) monk

Guigo, the fifth prior of the Grande Chartreuse, died in 1136.

Johann Sebastian Bach (1685-1750) witness

There are Christians who give witness to Christ with their lives, and others who do the same by leaving writings and teachings for posterity. Johann Sebastian Bach's witness, from the beginning to the end of his earthly parable, was his music. 

Martha, Maria and Lazarus, friends and hosts of the Lord, witnesses
Martha, Mary and Lazarus gave the Son of Man, who had nowhere to lay his head, the solace of friendship and a place to rest

Abel the Just and other Gentile witnesses to God righteous among the nations 

At the dawn of the New Testament era, Jesus and his disciples called Abel, who was neither Jewish nor Christian, "the righteous one." 

Lectionary