evidence: Her mother, Julie Welker, a prominent real estate broker in Philadelphia, and father, Harvey Welker, a consulting engineer, have donated tens of thousands of dollars to Democratic candidates and close to $20,000 to Barack Obama alone. [...] In 2012, Welker and her family celebrated Christmas at the White House with the Obamas. Though Kristen Welker’s party registration is not listed today, she was a registered Democrat in Washington, DC, in 2012 and in Rhode Island in 2004.