Found the following hamletworks.org entries referring to line 271

View Commentary Note for 271
271 But you must knowe your father lost a father,1.2.89

View Immaterial Textual Note for 271
271 But you must knowe your father lost a father,1.2.89

View Material Textual Note for 271
271 But you must knowe your father lost a father,1.2.89

View Commentary Note for 272
272 That father lost, lost his, and the suruiuer bound1.2.90