Each unclued across light can be paired with a down one (one hyphened). Each member of a pair is an anagram of a name, the two names being linked and the link being the same in each case. The title suggests a sixth such pair. Elsewhere, ignore an apostrophe.
 

Across

1 Woeful four bond and hoe soldier’s grave (11, three words)
7 Jack reduced weight (3)
13 Punch is sick in bag (7, two words)
15 Practising classy madrigal? (5)
16 Autocrat bridges southern canyon (5)
17 Fresh and bracing Australian skating endlessly? (6)
18 Birds seen fluttering round rook (5)
22 Hairdresser in lift wearing mink? (7)
30 Time...