Cliff gives his daughter Pamela a pair of expensive earrings that he was bequeathed by his dead half-sister Katherine Wentworth, who also left him her one-third share in the Wentworth company. However this seems incredibly unlikely as Katherine truly hated Cliff and they were not close.
When trying to ascertain if a woman seen in a security video tape photo is his ex-wife Pam Ewing, Bobby says he can't be sure because he hasn't seen her for 24 years. It was actually 26 years ago since Bobby last saw Pam, her car crash was in 1987 and this episode takes place in 2013.