Del. Code tit. 9, § 8775

In the event of the death of the purchaser before the deed shall have been made and delivered, the person or persons having right under the purchaser by descent, devise, assignment, or otherwise, may prefer to the Superior Court for Kent or Sussex County, as the case may be, at any term thereof, a petition representing the facts, and praying for an order authorizing and requiring the tax collecting authority, who would otherwise execute the deed, to execute and acknowledge a deed conveying to the petitioner or petitioners the premises so sold. Thereupon the Court may make such order touching the conveyance of the premises as shall be according to justice and equity.