Biden will attend Queen's funeral without a delegation

The White House announced Sunday that Biden had formally accepted the invitation and would be accompanied by the first lady.

Funeral for Queen Elizabeth II to be held September 19

Previous state funerals, such as the one for former South African president Nelson Mandela, have allowed for the sitting president to bring a delegation of officials to the event.

The state funeral for the Queen will take place on September 19 at Westminster Abbey, and she will lie in state in Westminster Hall from Wednesday, Buckingham Palace announced Saturday.
Queen Elizabeth II's state funeral: How the royal family will say goodbye to their matriarch
The Queen’s coffin arrived Sunday at the Palace of Holyroodhouse in Edinburgh, following a six-hour journey from Balmoral Castle to the Scottish capital. Britain’s longest-serving monarch died Thursday at the age of 96 at her Scottish country estate in Balmoral.
source: cnn.com