George and Martha Washington were unable to attend the Laws' wedding, but invited the couple to honeymoon in Philadelphia at the President's House.
The First Lady promised one of the slaves in the presidential household, Oney Judge, as a wedding gift to the couple, but the young woman fled after learning of the plan.
She reached Portsmouth, New Hampshire, where she remained free.
She married and had three children.
Martha Washington bequeathed her younger sister, Delphy, to the bride and groom instead.

In 1800 Delphy married William Costin, a free man, and lived with him in Washington, DC.
Delphy and her children were manumitted by Thomas Law and Eliza P. Custis Law in 1807.
Eliza remained in close contact with William and Delphy Costin throughout her life.

Upon her marriage, Elizabeth Law had inherited about 80 slaves from her late father's estate.
After Martha Washington died in 1802, she inherited about 35 dower slaves from her grandfather Daniel Parke Custis's estate.
Martha Washington had use of them in her lifetime.
Following Elizabeth Law's mother's 1811 death, her father's estate was liquidated, and she inherited about 40 more slaves.
She likely sold some of them for her support.

In March, 1796, Elizabeth and Thomas moved into the Thomas Law House near present-day 6th and N Streets Southwest.
The house became known as "Honeymoon House" as the Laws lived there for a few months while awaiting completion of their house.
They moved at the end of August.
The National Park Service listed the house on the National Register of Historic Places on August 14, 1973.

Following her separation from Thomas, Elizabeth resided between 1805 and 1809 at a "small country house" and estate on Seminary Hill in Alexandria, which she called Mount Washington.
Mount Washington later was acquired by the Episcopal High School and used as its central administration building; it was known as Hoxton House.

Martha Washington bequeathed to Elizabeth the John Trumbull portrait of General Washington, Washington at Verplanck's Point, as well as a dressing table and looking glass.
George and Martha Washington were unable to attend the Laws' wedding, but invited the couple to honeymoon in Philadelphia at the President's House. The First Lady promised one of the slaves in the presidential household, Oney Judge, as a wedding gift to the couple, but the young woman fled after learning of the plan. She reached Portsmouth, New Hampshire, where she remained free. She married and had three children. Martha Washington bequeathed her younger sister, Delphy, to the bride and groom instead. 
In 1800 Delphy married William Costin, a free man, and lived with him in Washington, DC. Delphy and her children were manumitted by Thomas Law and Eliza P. Custis Law in 1807. Eliza remained in close contact with William and Delphy Costin throughout her life.
Upon her marriage, Elizabeth Law had inherited about 80 slaves from her late father's estate. After Martha Washington died in 1802, she inherited about 35 dower slaves from her grandfather Daniel Parke Custis's estate. Martha Washington had use of them in her lifetime. Following Elizabeth Law's mother's 1811 death, her father's estate was liquidated, and she inherited about 40 more slaves. She likely sold some of them for her support.
In March, 1796, Elizabeth and Thomas moved into the Thomas Law House near present-day 6th and N Streets Southwest. The house became known as "Honeymoon House" as the Laws lived there for a few months while awaiting completion of their house. They moved at the end of August. The National Park Service listed the house on the National Register of Historic Places on August 14, 1973.
Following her separation from Thomas, Elizabeth resided between 1805 and 1809 at a "small country house" and estate on Seminary Hill in Alexandria, which she called Mount Washington. Mount Washington later was acquired by the Episcopal High School and used as its central administration building; it was known as Hoxton House.
Martha Washington bequeathed to Elizabeth the John Trumbull portrait of General Washington, Washington at Verplanck's Point, as well as a dressing table and looking glass.
Elizabeth Parke Custis Law