Leonard Derk's timeline started on 1936-09-30, leading to their present age of 88 years. The aforementioned individual has a historical association with 10130 Austin Dr, Spring Valley, CA 91977. Leonard Derk, the person's past living arrangements include 10 addresses. These locations were previously listed as residences: 2520 Kariba Ln, Denton, TX 76210, 175 S Anza St #310, El Cajon, and 2037 Cypress Ave #11, San Diego, CA 92104. Packages belonging to Leonard Dirk consistently arrived at Po Box 87315, San Diego, CA 92138-7315. This Post Office Box was not employed after 2003. The data appears to show that Leonard, the person and Debra Derk (age 72-year-old) are married. Six email addresses are linked to the aforementioned individual's profile. Leonard E Derr and David Hardy Eblen (fifty-three years) are connected, according to the public record. Leonard E Derr, Barbara A Digregorio (in 2007), and Bernadette Hendricks (in 2007) shared an address at 10130 Austin Dr, Spring Valley, CA 91977, USA. Ryan Oneal, Adolfo Osuna, Erin Johnson are just a few of the individuals who reside at the shared address