The 40-year-old admitted the manslaughter of 39 migrants who were found dead in a container in Essex last October.
He will next appear at the Old Bailey on November 25.
Sergey Koudryavtsev admitting killing them after a row over his dog Enzo.
Violent demonstrations erupted outside the Old Bailey as Stephen Yaxley-Lennon's supporters protested the sentence.
In 2011 Sally Challen, 65, was jailed for the murder of her husband Richard, 61. Her sons, James and David, believe Sally was the victim of long-term psychological abuse, something they suggest was ignored during her initial trial. Her murder conviction was quashed by the Court of Appeal in February 2019. Prosecutors at the Old Bailey accepted a lesser manslaughter plea on the grounds of diminished responsibility. On 7 June 2019 it was announced that she will not face a retrial for Richard's murder.
Simone Kerr was still recovering from the death of her son when she was killed.
A hearing will take place at the Old Bailey in July.
The eight-week inquiry into the deaths of eight people begins at the Old Bailey.
Shepherd will serve his sentences consecutively.
Lovel Bailey, 29, is accused of stabbing Nathaniel Armstrong and has been remanded in custody.