Kan family in US postwar: at the beach

Born in Amsterdam, the Netherlands, Robert Kan and his family escaped the Nazis on May 13, 1940 and emigrated to Queens, New York via the Dutch East Indies. He received a BA in Economics from Hofstra Univeristy and worked for thirty years for the US government at the Department of Commerce, the Atomic Energy Commission, the National Science Foundation, and the American Embassy in Tokyo. After retiring from the government, he became a Certified Financial Planner. He was a lifelong Boy Scout and accomplished philatelist. He was married for 58 years to Francisca Verdoner Kan and had three daughters, Jeanette, Susan, and Eleanor. 

Kan family in US postwar: at the beach 

Silver Point Beach in Rockaway, NY. Betsy on a beach blanket with several young men, including her fiancé closest to the camera. People at the beach. 01:03:17 A young man wearing glasses (Robert?) walks with a girl in a bathing suit. 01:03:24 Betsy's fiancé holds her hand to the camera and points to a ring on her finger. The two of them with Frits, walking down the boardwalk with Jeanne. Betsy walks with Frits. 

Date unknown.