Question: When was the senior advisor of the owner of Bethesda Softworks born?

Context articles: List of Bethesda Softworks video games
ZeniMax Media
The Elder Scrolls V: Skyrim – Hearthfire
Bethesda Game Studios
Bethesda Softworks
Radiant AI
Ernest Del
Senior Advisor
Fallout 3
Wayne Gretzky Hockey

This is a list of video games published by Bethesda Softworks, an American video game developer and publisher.
 Bethesda Softworks was formerly owned by Media Technology Limited from 1986 until 1999.
 In 1999, Christopher Weaver and Robert A. Altman founded ZeniMax Media, of which it owns Bethesda Softworks since 1999.
ZeniMax Media Inc. is an American media company.
 The company is known for owning Arkane Studios (developer of "Dishonored" and "Prey"), BattleCry Studios (developer of "BattleCry"), id Software (developer of the "Doom" and "Quake" series, and "Rage"), MachineGames (developer of ""), Tango Gameworks (developer of "The Evil Within"), Bethesda Softworks with its Bethesda Game Studios (developer of "The Elder Scrolls" and "Fallout" series) and ZeniMax Online Studios (developer of "The Elder Scrolls Online").
 ZeniMax is headquartered in Rockville, Maryland, with offices in Asia / Asia Pacific, Australia and Europe (Germany, France, Benelux).
The Elder Scrolls V: Skyrim – Hearthfire is the second downloadable content add-on for the action role-playing open world video game "".
 The game was developed by Bethesda Game Studios and published by Bethesda Softworks.
 The Xbox 360 version of "Hearthfire" launched on September 4, 2012.
 It was released on Microsoft Windows via Steam on October 5, 2012.
 It was released for the PlayStation 3 on February 19, 2013 in North America and February 20, 2013 in Europe.
Bethesda Game Studios is an American video game developer, acting as in-house development team for parent company Bethesda Softworks, established in 2001.
 Previously synonymous with its parent publisher, the studio's name and logo were established with the release of "" in 2002.
 The studio is led by executive producer Todd Howard.
 A second studio, Bethesda Game Studios Montreal, was opened in Montreal, Quebec, Canada.
Bethesda Softworks LLC is an American video game publisher based in Rockville, Maryland.
 The company was founded by Christopher Weaver in 1986 as a division of Media Technology Limited, and in 1999 became a subsidiary of ZeniMax Media.
 In its first fifteen years, it was a video game developer and self-published its titles.
 In 2001, Bethesda spun off its own in-house development team into Bethesda Game Studios, and Bethesda Softworks became a publisher only.
 It currently also publishes games by ZeniMax Online Studios, id Software, Arkane Studios, MachineGames, Tango Gameworks and BattleCry Studios.
The Radiant AI is a technology developed by Bethesda Softworks for "The Elder Scrolls" video games.
 It allows non-player characters (NPCs) to make choices and engage in behaviors more complex than in past titles.
 The technology was developed for "" and expanded in ""; it is also used in "Fallout 3", "" and "Fallout 4", also published by Bethesda.
Ernest Del (born January 16, 1952) is an American entertainment attorney.
 Currently Del is Senior Advisor at ZeniMax Media.
In some countries, a Senior Advisor is an appointed position by the Head of State to advise on the highest levels of national and government policy.
 Sometimes a junior position to this is called a National Policy Advisor.
 In some instances, these advisors form a Council of State or a State Council.
 Senior Advisor also is a title for senior civil servants in several countries, and is also used in organisations.
Fallout 3 is an action role-playing open world video game developed by Bethesda Game Studios and published by Bethesda Softworks.
 The third major installment in the "Fallout" series, it is the first game to be created by Bethesda since it bought the franchise from Interplay Entertainment.
 The game marks a major shift in the series by using 3D graphics and real-time combat, replacing the 2D isometric graphics and turn-based combat of previous installments.
 It was released worldwide in October 2008 for Microsoft Windows, PlayStation 3, and Xbox 360.
Wayne Gretzky Hockey is an ice hockey-themed sports game developed by Bethesda Softworks, and first published in 1988.
 The game features the name and likeness of Canadian professional ice hockey centre Wayne Gretzky.
 Bethesda Softworks published "Wayne Gretzky Hockey" shortly after Peter Pocklington traded Gretzky from the Edmonton Oilers to the Los Angeles Kings on 9 August 1988.