Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of rulers of Provence
Table title:
Bosonid dynasty
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Born </th><th colspan=1 rowspan=1 > Reign </th><th colspan=1 rowspan=1 > Consort </th><th colspan=1 rowspan=1 > Death </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=2 > - </td><td colspan=1 rowspan=2 > William I the Liberator </td><td colspan=1 rowspan=2 > c.950 Son of Boson II of Arles and Constance of Vienne </td><td colspan=1 rowspan=1 > 961-975 </td><td colspan=1 rowspan=2 > Arsenda of Comminges no children Adelaide-Blanche of Anjou c.984 four children </td><td colspan=1 rowspan=2 > After 29 August 993 </td><td colspan=1 rowspan=4 > First counts of Provence and brothers, ruled together until 975, when William took the margravial title. and Rotbold took the same title in 993, after William abdication. </td></tr>
<tr> <td colspan=1 rowspan=1 > 975-993 </td></tr>
<tr> <td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=2 > Rotbold I </td><td colspan=1 rowspan=2 > Son of Boson II of Arles and Constance of Vienne </td><td colspan=1 rowspan=1 > 961-993 </td><td colspan=1 rowspan=2 > Emilde two children </td><td colspan=1 rowspan=2 > 1008 </td></tr>
<tr> <td colspan=1 rowspan=1 > 993-1008 </td></tr>
<tr> <td colspan=7 rowspan=1 > Regency of Adelaide-Blanche of Anjou:993-999 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > William II the Pious </td><td colspan=1 rowspan=1 > c.980 Son of William I and Adelaide-Blanche of Anjou </td><td colspan=1 rowspan=1 > 999-1019 </td><td colspan=1 rowspan=1 > Gerberga of Burgundy c.984 four children </td><td colspan=1 rowspan=1 > 4 March 1019 </td><td colspan=1 rowspan=1 > Fell under control of his uncle Rotbold until his death in 1008. </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Rotbold II </td><td colspan=1 rowspan=1 > c.980 Son of Rotbold I and Emilde </td><td colspan=1 rowspan=1 > 1008-1014 </td><td colspan=1 rowspan=1 > Ermengarde of Burgundy before 1002 three children </td><td colspan=1 rowspan=1 > 1014 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > William III </td><td colspan=1 rowspan=1 > Son of Rotbold II and Ermengarde of Burgundy </td><td colspan=1 rowspan=1 > 1014-1037 </td><td colspan=1 rowspan=1 > Lucie before 1002 three children </td><td colspan=1 rowspan=1 > 1037 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > William IV </td><td colspan=1 rowspan=1 > c.980 Son of William II and Gerberga of Burgundy </td><td colspan=1 rowspan=1 > 1019-1030 </td><td colspan=1 rowspan=1 > Unmarried </td><td colspan=1 rowspan=1 > 1030 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Fulk Bertrand </td><td colspan=1 rowspan=1 > c.1000 Son of William II and Gerberga of Burgundy </td><td colspan=1 rowspan=1 > 1030-1051 </td><td colspan=1 rowspan=1 > Hildegard two children </td><td colspan=1 rowspan=1 > 27 April 1051 </td><td colspan=1 rowspan=2 > Brothers, ruled jointly after their elder brother's death. </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Geoffrey I </td><td colspan=1 rowspan=1 > c.1000 Son of William II and Gerberga of Burgundy </td><td colspan=1 rowspan=1 > 1030-1062 </td><td colspan=1 rowspan=1 > Etienette four children </td><td colspan=1 rowspan=1 > February 1062 </td></tr>
<tr> <td colspan=7 rowspan=1 > After William III's death with no descendants, the line of counts became the sovereign line in Provence, but not uncontested. In fact, through Emma of Provence, who inherited her brother William III's margravial title, her descedants, the counts of Toulouse, claimed Provence for themselves using the title Margrave of Provence, in spite of never having ruled there. </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > William Bertrand I </td><td colspan=1 rowspan=1 > c.1040 Son of William II and Hildegard </td><td colspan=1 rowspan=1 > 1062-1094 </td><td colspan=1 rowspan=1 > Theresa of Aragon no children Adelaide of Cavenez one child </td><td class="highlighted"  colspan=1 rowspan=1 > 28 July 1094 </td><td colspan=1 rowspan=3 > Co-ruled as brothers and cousins. </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Geoffrey II </td><td colspan=1 rowspan=1 > c.1040 Son of William II and Hildegard </td><td colspan=1 rowspan=1 > 1062-1067 </td><td colspan=1 rowspan=1 > Ermengard no children </td><td colspan=1 rowspan=1 > 28 July 1094 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > William Bertrand II </td><td colspan=1 rowspan=1 > c.1050 Son of Geoffrey I and Etienette </td><td colspan=1 rowspan=1 > 1063-1093 </td><td colspan=1 rowspan=1 > Matilda one child </td><td class="highlighted"  colspan=1 rowspan=1 > 28 July 1094 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Gerberga </td><td colspan=1 rowspan=1 > 1045/65 Daughter of Geoffrey I and Etienette </td><td colspan=1 rowspan=1 > 1094-1112 </td><td colspan=1 rowspan=1 > Gilbert I of Gévaudan 1073 two children </td><td colspan=1 rowspan=1 > 28 July 1094 </td><td colspan=1 rowspan=1 > Considered a wise ruler. She abdicated in 1112 to her eldest daughter, soon after her marriage to the count of Barcelona. </td></tr>
</table>
Question:
William Bertrand died on on what date, and his son died by the name of what died on what date?
Answer:
William Bertrand I and his son, William Bertrand II, both died on 28 July 1094.