Found the following hamletworks.org entries referring to line 273

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

View Commentary Note for 273
273 In filliall obligation for some tearme1.2.91

View Immaterial Textual Note for 273
273 In filliall obligation for some tearme1.2.91

View Material Textual Note for 273
273 In filliall obligation for some tearme1.2.91