The endless richness of William Shakespeare’s work contrasts with a relative poverty of information about his life. Even less is known about his wife, the former Anne Hathaway. Shakespeare spent most of his time in London, writing and acting, and returned to Anne in Stratford for only a few weeks a year until near the end of his life. When he died, his will infamously bequeathed her his “second best bed.”

From these few facts, Robert Brustein weaves a tragic speculation in “The Last Will,” the final piece of his trilogy about the Bard’s life, now having its world premiere at the Modern Theatre in a co-production by Commonwealth Shakespeare Company and Suffolk University.