For Apotheosis normal route and secret I did this~(all the weapons are forged)
Chrom/Great Lord
Dual Guard+,Dual Strike+,LB, Aether, Rightful King
Paired w/ Sumia: A Rank
2x Brave Lance,Brave Sword,Exalted Falchion
A Rank Swords, A Rank Lances
Sumia/Bride
Pavise, Galeforce,LB,Renewal,Lancefaire
Paired w/ Chrom A Rank
Brave Bow, Brave Lance, 2x Rescue, Physic
A Rank Lances, A Rank Bow, B Rank Staff
FeMU/Sorcerer(+Mag,-Lck)
Galeforce,Sol,LB,Tomefaire,Armstrift
Paired w/ Emmeryn A Rank
Aversa's Night, Celica's Gale, Waste
A Rank Tomes
Emmeryn/Valkyrie
LB, Tomefaire, Dual Support+,Galeforce,Renewal
Paired w/ FeMU A Rank Support
3x Celica's Gale, Fortify, Catharsis
A Rank Tomes, A Rank Staff
Lucina/Great Lord
Dual Strike+,Aether,LB,Galeforce,Rightful King
Paired w/ Gerome S Rank
Mother:FeMU
Father:Chrom
3x Brave Lance, Brave Sword, Parallel Falchion
A Rank Lances, A Rank Swords
Gerome/ Wyvern Lord
Dual Support+,Astra,LB,Deliverer, Counter
Paired w/ Lucina
Mother: Cherche
Father: Lon'qu
2x Brave Lance 2x Brave Axes
A Rank Lances A Rank Axes
Morgan(m)/ Sorcerer
Rightful King, Galeforce,Tomefaire,Sol,LB
Paired w/ Cynthia S Rank
Mother: FeMU
Father:Chrom
3x Waste, Mire
A Rank Tomes
Cynthia/Falcon Knight
Luna,Galeforce,Lancefaire,Aegis,LB
Paired w/ Morgan(m) S Rank
Mother:Sumia
Father:Frederick
3x Brave Lance,Rescue
A Rank Lances D Rank Staff
Severa/Falcon Knight
Armstrift, Galeforce,Lancefaire,LB, Astra
Paired w/ Owain S Rank
Mother:Cordelia
Father:Gregor
Luna Lance, Brave Lance, Rescue
A Rank Lances, D Rank Staff
Owain/ Dread Fighter
Galeforce, Sol,Astra, LB, Aggressor
Paired w/ Severa S Rank
Mother:Lissa
Father: Vaike
Brave Axe, Brave Sword, 2x Celica's Gale
A Rank Swords, A Rank Axes, A Rank Tomes
Inigo/Hero
Armstrift, LB,Gamble,Galeforce, Astra
Paired w/ Noire S Rank
Mother: Olivia
Father: Kellam
Brave Axe, Brave Sword, Killing Edge
A Rank Swords A Rank Axes
Noire/ Sorcerer
Renewal,LB,Tomefaire,Luna,Dual Guard+
Paired w/ Inigo S Rank
Mother: Tharja
Father: Libra
3x Waste
A Rank Tomes
Nah/ Manakete
Anathema,Dual Support+,Lifetaker,Renewal,LB
Paired w/ Laurent S Rank
Mother: Now i
Father: Henry
4x Dragonstone+
- Rank Dragonstone
Laurent/Sage
Astra,LB,Tomefaire,Luna,Dual Guard+
Paired w/ Nah S Rank
Mother:Miriel
Father:Stahl
3x Celica's Gale, 2x Rescue
A Rank Tomes, D Rank Staff
Kjelle/Paladin
Dual Guard+,LB,Swordfaire,Galeforce,Astra
Paired w/ Brady S Rank
Mother: Sully
Father: Gaius
2x Brave Lance, 2x Brave Sword
A Rank Lances A Rank Swords
Brady/Sage
Galeforce, LB,Tomefaire,Luna,Miracle
Paired w/ Kjelle S Rank
Mother: Maribelle
Father: Ricken
3x Celica's Gale
A Rank Tomes
Lissa/Sage
Miracle, Healtouch, Rally Magic, Renewal,Rally Movement
Sometimes Paired w/ Olivia No support
2x Fortify, Recover, Ashera Staff
B Rank Tomes A Rank Staff
Olivia/ Dancer
Luck+4, Special Dance, Astra, Galeforce, Rally Move
Sometimes Paired w/ Lissa No Support
Brave Sword, 4x Rescue (Staff storage)
A Rank Swords
Catria/ Falcon Knight
Rally Spectrum, Skill, Luck, Speed, Heart
Rally Bot
Finn's Lance,4x Rescue
A Rank Lances, E Rank Staffs
Palla/Falcon Knight
Rally Strength, Spectrum,Defense,Magic,Resistance
Rally Bot
Finn's Lance, 2x Rescue, 2x Hammerne
A Rank Lance, B Rank Staff
Just use marriage pairs or at least A Rank supports
It was pretty easy using this set up
I know this was late but I hope it somehow helps someone. :)