This docile one inter — Bleak House

This docile one inter 1
While we who dare to live
Arraign the sunny brevity
That sparkled to the Grave.

On her departing span 5
No wilderness remain
As dauntless in the House of Death
As if it were her own-
(F.1769/J.1752)
[1–8]:: This poem talks about Bleak House (1853), a novel by Charles Dickens (1812–70).
[1] docile one:: Lady Dedlock who had an illegitimate daughter Esther Summerson. The lady accepted her fate. inter:: "We inter this docile one." The world bury Lady Dedlock, for her love affair. She died before her lover's grave.
[2] we who dare to live:: those people around Lady Dedlock.
[3, 4] sunny brevity, Grave:: Lady Dedlock died in the mausoleum in the park, but how she died was a mystery. She went out "in the shrill frosty wind" without sunshine. The mausoleum is a Grave building.
[6] wilderness:: the law suit of "Jarndyce and Jarndyce," a large inheritance. No wilderness remain:: winner of the suit got nothing at the end.
[7] the House of Death:: a hint at the answer, Bleak House.